Exploring MLB’s Equipment: From Bats to Uniforms

I. Introduction to MLB’s Equipment

I. Introduction to MLB's Equipment

Welcome to the exciting world of Major League Baseball (MLB), where every piece of equipment plays a crucial role in the game. From bats to uniforms, each item has been carefully designed and optimized for performance at the highest level of professional baseball.

In this article, we will take a closer look at the various types of equipment used in MLB and explore how they contribute to the success of players on the field. Whether you’re a die-hard fan or just curious about the sport, this guide will provide you with valuable insights into the gear that makes America’s pastime so thrilling.

The Importance of Quality Equipment

Before we dive into specific items, it’s important to understand why high-quality equipment is essential in MLB. The level of competition is incredibly intense, and even small advantages can make a significant difference in performance.

MLB players rely on their equipment for consistency, durability, and precision. A well-designed bat can help generate more power and control during swings, while advanced gloves enhance fielding capabilities. Uniforms are not only functional but also represent team identity and pride.

By investing in top-notch gear that meets their unique needs as athletes, MLB players can maximize their potential on the field.

Bats: The Heartbeat of Offense

  • Bat Materials: Modern baseball bats are typically made from wood or metal alloys such as aluminum or composite materials like carbon fiber. Each material offers its own advantages in terms of weight distribution and hitting performance.
  • Bat Regulations: To ensure fairness and safety across all levels of play, there are strict regulations regarding bat dimensions (length, weight) imposed by both MLB and other governing bodies.
  • Technology and Innovation: Bat manufacturers constantly strive to develop cutting-edge technologies that enhance performance. From optimizing weight distribution to reducing vibrations, these innovations have revolutionized the game.

Gloves: The Art of Fielding

A well-crafted glove is a fielder’s best friend, providing the necessary grip, protection, and flexibility to make incredible plays. Here are some key aspects of MLB gloves:

  • Glove Types: Infielders, outfielders, catchers, and pitchers each require specialized gloves tailored to their specific positions. These gloves vary in size, pocket depth, webbing patterns, and padding levels.
  • Materials: Leather is the most common material used for MLB gloves due to its durability and ability to mold to a player’s hand over time. Synthetic materials are also gaining popularity for their lighter weight and quick break-in period.
  • Craftsmanship: Glove manufacturers employ skilled artisans who meticulously construct each glove by hand. This craftsmanship ensures superior quality and attention to detail in every stitch.

Uniforms: Representing Team Spirit

In addition to functionality on the field, uniforms play a significant role in representing team identity and fostering a sense of camaraderie among players. Here are some key elements of MLB uniforms:

  • Jerseys: Each team has its own unique jersey design featuring colors, logos, and numbers that distinguish them from other teams. These jerseys are made from lightweight materials that provide comfort during gameplay.
  • Pants/Socks/Caps: Along with jerseys come matching pants, socks, and caps that complete the uniform. These items are designed to be breathable, moisture-wicking, and durable to withstand the demands of the game.
  • Accessories: Players often wear additional accessories such as batting gloves, wristbands, and protective gear like helmets and shin guards. These accessories not only provide added functionality but also serve as personal style statements.

MLB’s equipment is a testament to the sport’s evolution over time. From traditional wooden bats to advanced composite materials, from handcrafted leather gloves to innovative synthetic options – every piece of equipment has been refined to meet the demands of modern baseball.

In our next sections, we will delve deeper into specific aspects of MLB equipment. Stay tuned for an in-depth exploration of bat technology advancements (h3), glove maintenance tips (h3), uniform customization trends (h3), and much more!

II. The Evolution of Baseball Bats

II. The Evolution of Baseball Bats

In the world of Major League Baseball (MLB), the baseball bat is an essential tool for players. Over the years, baseball bats have evolved significantly, from their humble beginnings to the high-tech instruments we see today. In this section, we will explore the fascinating history and development of baseball bats.

1. The Early Days: From Homemade Clubs to Handcrafted Bats

Baseball’s origins can be traced back to the 18th century when it was played in various forms across America. In those early days, players used homemade clubs or sticks as bats. These primitive bats were often irregular in shape and made from whatever materials were readily available, such as tree branches or broomsticks.

As organized baseball began to take shape in the mid-19th century, players started using handcrafted wooden bats. These early wooden bats were typically made from ash or hickory wood due to their durability and flexibility.

2. The Birth of Regulation: Standardizing Bat Dimensions

In 1859, a significant milestone occurred with the establishment of rules that standardized bat dimensions for professional play. According to these regulations, a bat could not exceed 42 inches in length and had a maximum diameter of 2.75 inches.

This standardization ensured fair play and created a level playing field for all teams involved. It also marked an important step towards professionalizing the sport.

3. Innovation Takes Hold: Aluminum Bats Enter the Scene

  • a) Introduction of Aluminum:
  • Innovation continued throughout the 20th century with advancements in technology leading to new materials being used for baseball bats.

  • b) The Rise of Aluminum Bats:
  • One of the most significant developments was the introduction of aluminum bats in the 1970s. These bats offered several advantages over traditional wooden bats, including increased durability and a larger “sweet spot” for hitting.

  • c) Controversy and Regulation:
  • The use of aluminum bats sparked controversy within the baseball community. Critics argued that aluminum bats gave an unfair advantage to hitters, as they allowed for greater ball speed off the bat.

4. Return to Tradition: Wooden Bats Regain Popularity

In response to concerns about safety and fairness, many leagues began implementing regulations that restricted or banned the use of aluminum bats. As a result, wooden bats regained their popularity among professional players.

Wooden bats have long been cherished by baseball purists for their natural feel and sound when making contact with a ball. Today, most professional players at all levels use wooden bats made from high-quality maple or ash wood.

5. Technological Advancements: Composite Bats Take Center Stage

  • a) Introduction of Composite Materials:
  • In recent years, technological advancements have led to another significant shift in baseball bat design with the introduction of composite materials.

  • b) Benefits of Composite Bats:
  • Composite bats are made from a combination of carbon fiber, fiberglass, and resin. They offer improved performance characteristics such as increased power and better vibration dampening compared to traditional wooden or aluminum bats.

  • c) Safety Concerns:
  • The rise in popularity of composite bats has also raised concerns about safety. The increased power and trampoline effect of these bats can result in higher ball exit speeds, posing potential risks to pitchers and infielders.

6. The Future of Baseball Bats: Technological Innovations

The evolution of baseball bats is an ongoing process, with manufacturers constantly striving to develop new technologies that enhance performance while maintaining the integrity and safety of the game.

Future innovations may include advanced materials, such as carbon nanotubes or graphene, which could further improve bat performance. Additionally, technological advancements in bat manufacturing processes may lead to more precise weight distribution and customization options for players.

III. Understanding Different Types of Baseball Bats

III. Understanding Different Types of Baseball Bats

When it comes to baseball, the bat is one of the most important pieces of equipment a player can have. There are several different types of baseball bats available, each with its own unique characteristics and advantages. In this section, we will explore the various types of baseball bats and what sets them apart from one another.

1. Wood Bats

Wood bats are the traditional choice for professional baseball players and purists who appreciate the authentic feel and sound they provide. They are typically made from ash, maple, or birch wood.

  • Ash bats: Ash wood is lightweight and offers flexibility, making it easier to swing.
  • Maple bats: Maple wood is dense and hard, providing more power when hitting the ball.
  • Birch bats: Birch wood combines characteristics of both ash and maple, offering a balanced option for players.

Wooden bats require proper care to maintain their durability since they can break or splinter with extensive use. However, many players prefer using wooden bats due to their classic appeal and natural feel.

2. Aluminum Bats

In recent years, aluminum bats have gained popularity among amateur players due to their durability and performance-enhancing features. These bats are made from aluminum alloys that offer a larger sweet spot compared to wooden ones.

The increased sweet spot allows for better contact with the ball while minimizing vibrations upon impact. Aluminum bats also tend to be lighter than wooden ones, making them easier to swing for younger or less experienced players.

3. Composite Bats

Composite baseball bats are constructed using a combination of materials such as carbon fiber, graphite, and fiberglass. These bats offer a unique blend of durability, performance, and flexibility.

Composite bats are known for their trampoline effect, which means the ball bounces off the bat with greater force. This results in increased hitting distance and exit velocity. Additionally, composite bats tend to have less vibration upon contact compared to aluminum or wood bats.

However, it’s important to note that composite bats require a break-in period before reaching their optimal performance level. They also tend to be more expensive than other types of baseball bats.

4. Hybrid Bats

Hybrid baseball bats combine the best features of both aluminum and composite materials. These bats typically have an alloy barrel for durability and a composite handle for enhanced flexibility and vibration reduction.

The combination of materials in hybrid bats provides players with a balanced feel while maximizing power and performance. They are often favored by players who want the benefits of both aluminum and composite construction without compromising on any particular aspect.

5. BBCOR Bats

BBCOR stands for “Batted Ball Coefficient of Restitution” and refers to a standard set by the National Collegiate Athletic Association (NCAA) for non-wooden baseball bats used in high school and college play.

BBCOR-certified bats must meet specific performance limits to ensure fair play between pitchers and hitters. These regulations aim to maintain safety while preventing excessive ball speed off the bat.


IV. Factors to Consider When Choosing a Baseball Bat

IV. Factors to Consider When Choosing a Baseball Bat

Choosing the right baseball bat is crucial for any player, whether you’re a professional or just starting out. With so many options available on the market, it can be overwhelming to know which one is best suited for your needs. In this section, we will explore the key factors that you should consider when selecting a baseball bat.

1. Material

The material of the baseball bat plays a significant role in its performance and durability. The most common materials used for bats are wood, aluminum alloy, and composite.

  • Wood: Wood bats are traditional and offer a classic feel and sound when hitting the ball. They are typically made from ash, maple, birch, or bamboo. Each wood type has its own characteristics in terms of weight distribution and durability.
  • Aluminum Alloy: Aluminum alloy bats are lightweight and provide excellent pop off the barrel due to their high trampoline effect. They require little to no break-in period and have good durability.
  • Composite: Composite bats are made from layered materials such as carbon fiber or graphite-reinforced plastic resin. They offer an optimal combination of power and flexibility but may require a break-in period before reaching their full potential.

2. Length and Weight

The length and weight of a baseball bat depend on personal preference, playing style, age group, league regulations, and physical attributes of the player.

  • Bat Length: The length of a bat is measured in inches from knob to end cap. It should be comfortable to swing without sacrificing control or reach during plate coverage.
  • Bat Weight: The weight of a bat is measured in ounces. It should be balanced to generate maximum bat speed and power while maintaining control. Heavier bats provide more power, while lighter bats offer better bat speed.

3. Barrel Diameter

The barrel diameter refers to the width of the thickest part of the bat. Different leagues have specific regulations regarding barrel diameter, so it’s essential to check with your league before purchasing a bat.

  • Standard Barrel: Bats with a standard barrel diameter (2 5/8 inches) are commonly used in high school and college baseball.
  • Small Barrel: Bats with a small barrel diameter (2 1/4 inches) are typically used in youth leagues and have lighter swing weights.
  • Big Barrel: Bats with a big barrel diameter (2 3/4 or 2 5/8 inches) offer larger sweet spots and increased hitting surface area, providing more power potential.

4. Grip

The grip of a baseball bat affects comfort, control, and vibration dampening during contact with the ball. There are two main types of grips: traditional tape grip and specialized cushioned grip.

5. League Regulations

Different leagues have specific rules regarding baseball bats that must be followed for fair play and safety reasons. Make sure to familiarize yourself with your league’s regulations before making a purchase.

In Conclusion

Selecting the right baseball bat involves considering various factors such as material, length, weight, barrel diameter, grip type, and league regulations. By understanding these factors and how they relate to your playing style and preferences, you can make an informed decision that will enhance your performance on the field.

V. Exploring the World of Baseball Gloves and Mitts

V. Exploring the World of Baseball Gloves and Mitts

Baseball gloves and mitts are essential equipment for players in the game of baseball. They provide protection, improve grip, and enhance performance on the field. In this section, we will delve into the different types of gloves and mitts used in baseball, their features, and how to choose the right one for your needs.

A. Types of Baseball Gloves

1. Catcher’s Mitt: The catcher’s mitt is specifically designed for catchers to easily catch fastballs and protect their hand from hard-thrown balls. It has a deep pocket and extra padding to absorb impact.

2. First Baseman’s Glove: The first baseman’s glove is larger than other gloves to help scoop up ground balls thrown by infielders or make stretching catches at first base.

3. Infielder’s Glove: Infielder’s gloves are smaller in size with a shallow pocket to allow quick ball transfer from glove to hand for faster throws.

4. Outfielder’s Glove: Outfielder’s gloves have a deeper pocket to help secure fly balls while running full speed or diving for catches.

B. Features of Baseball Gloves

  • Pocket Depth: The depth of the pocket determines how securely you can catch and hold onto the ball.
  • Glove Size: Choosing the right glove size ensures a comfortable fit that allows easy movement without sacrificing control.
  • Webs: Different web designs offer various benefits such as better visibility or increased flexibility when catching balls.
  • Closed vs Open Back: Closed-back gloves provide more wrist support, while open-back gloves offer more flexibility and breathability.
  • Material: Gloves are made from various materials such as leather, synthetic leather, or a combination of both. Leather gloves offer durability and better feel.

C. How to Choose the Right Baseball Glove

1. Consider Position: Different positions require specific glove types. Determine your position on the field to narrow down your options.

2. Try Them On: Visit a sporting goods store and try on different gloves to find the one that feels comfortable and fits well.

3. Check for Quality: Inspect the stitching, padding, and overall construction of the glove to ensure it is durable and will withstand regular use.

4. Break-In Period: Keep in mind that most gloves require a break-in period before they become game-ready. Follow manufacturer instructions for proper break-in techniques.

D. Maintaining Your Baseball Glove

  • Clean Regularly: Remove dirt or debris with a soft cloth or brush after each use to prevent damage.
  • Avoid Moisture: Keep your glove away from water or excessive moisture as it can cause leather to warp or deteriorate over time.
  • Oil Treatment: Apply a small amount of specialized glove oil occasionally to keep the leather supple and prevent cracking.
  • Store Properly: Store your glove in a cool, dry place when not in use to maintain its shape and prolong its lifespan.

VI. Different Types of Baseball Gloves and Their Uses

Baseball gloves are an essential piece of equipment for any player on the field. They come in various types, each designed for specific positions and purposes. Understanding the different types of baseball gloves and their uses can greatly enhance a player’s performance and overall experience in the game.

Catcher’s Mitt

The catcher’s mitt is one of the most specialized gloves in baseball. It is heavily padded to protect the catcher’s hand from high-velocity pitches and foul balls. The unique design features a closed webbing that allows catchers to securely catch fastballs without worrying about them slipping through.

Due to its size and padding, catcher’s mitts are not suitable for other positions on the field. They are exclusively used by catchers, who rely on their durability, deep pocket, and fingerless design to efficiently receive pitches during games.

Infield Glove

An infield glove is specifically designed for players who primarily play in the infield positions such as shortstop, second base, third base, or even pitcher. These gloves have a shallow pocket with open webbing that allows quick ball transfer from glove to hand during double plays or throws to first base.

Infield gloves typically have a smaller size compared to outfield gloves as they require more agility and quick movements. The smaller size also provides better control when fielding ground balls or making accurate throws across the diamond.

Outfield Glove

Outfielders need larger gloves with deeper pockets due to their primary role of catching fly balls hit into deep territory. Outfield gloves have longer fingers and wider webs that help outfielders secure high-flying balls while providing extra reach.

The larger surface area enables outfielders to make catches with ease and reduces the chances of the ball popping out upon impact. The deep pocket also helps outfielders secure the ball securely while making diving or sliding catches.

First Base Mitt

The first base mitt is similar to a catcher’s mitt in terms of its shape and size. It has a deeper pocket and is heavily padded to assist first basemen in catching throws from other infielders during close plays at first base.

Unlike other gloves, the first base mitt does not have individual finger slots but rather a single large opening that allows for easy scooping of low throws. The design provides better control when receiving throws and minimizes the risk of errors during crucial moments in games.

Pitcher’s Glove

Pitchers require gloves that provide them with maximum control over their pitches while concealing their grip from opposing batters. Pitcher’s gloves are typically smaller than other gloves, allowing for better ball manipulation without compromising on comfort.

The closed webbing on pitcher’s gloves helps conceal hand movements, preventing batters from predicting pitch types based on grip patterns. The snug fit ensures pitchers can confidently throw various pitches without worrying about slips or discomfort.

  • Catcher’s Mitt: Designed for catchers, heavily padded, deep pocket, fingerless design
  • Infield Glove: For infield positions like shortstop or second base, shallow pocket, open webbing
  • Outfield Glove: Larger size for outfield positions, deeper pockets, longer fingers and wider webs
  • First Base Mitt: Similar to catcher’s mitt but with a single large opening instead of individual finger slots
  • Pitcher’s Glove: Smaller size for better control over pitches and concealed grip from batters

Glove TypePositionFeatures
Catcher’s MittCatcherHeavily padded, deep pocket, fingerless design
Infield GloveShortstop, Second Base, Third Base, PitcherShallow pocket, open webbing for quick ball transfer and control during double plays or throws to first base.
Outfield Glove

Outfield Positions

Larger size with deeper pockets for catching fly balls in deep territory. Longer fingers and wider webs provide extra reach and secure catches.

VII. How to Choose the Right Baseball Glove for Your Position

Choosing the right baseball glove is crucial for any player, as it directly impacts their performance on the field. Each position requires a specific type of glove that is designed to enhance the player’s abilities and provide maximum comfort and protection. In this section, we will discuss how to choose the right baseball glove for your position, taking into consideration factors such as size, material, webbing, and pocket depth.

1. Determine Your Position

The first step in choosing a baseball glove is to determine your position on the field. The requirements for each position vary, so it’s essential to understand what kind of glove you need.

  • Infielders: If you play in the infield (shortstop, second base, third base), you’ll need a smaller glove with a shallow pocket that allows for quick transfers and easy ball retrieval.
  • Outfielders: Outfielders require larger gloves with deeper pockets to catch fly balls more effectively. These gloves also provide extra reach when making diving catches or robbing home runs.
  • Catchers: Catcher’s mitts are specially designed with extra padding and a closed webbing pattern to protect against fast pitches. They have a deep pocket that helps secure incoming throws from pitchers.
  • Pitchers: Pitcher’s gloves typically have closed webs or modified trap webs that conceal grip changes from opposing batters. They are generally larger than infielder gloves but smaller than outfielder gloves.

2. Consider Glove Size

Glove size plays an important role in determining how well you can control and handle the ball. The size of a glove is measured from the top of the index finger to the heel of the glove. It’s essential to choose a size that fits your hand comfortably.

For infielders, a glove size between 11 and 11.75 inches is recommended, while outfielders typically use gloves ranging from 12 to 13 inches. Catcher’s mitts are much larger, usually measuring around 32 to 34 inches in circumference.

3. Select the Right Material

The material used in making baseball gloves affects their durability, flexibility, and overall performance. The two main types of materials used are leather and synthetic materials.

  • Leather: Leather gloves are preferred by most players due to their superior quality and durability. They offer better grip and feel over time as they break-in with use.
  • Synthetic Materials: Synthetic gloves are more affordable but may not provide the same level of performance or longevity as leather gloves. However, they require minimal break-in time and can be game-ready right out of the box.

4. Evaluate Webbing Options

The webbing pattern on a baseball glove determines how well it secures the ball during catches and impacts visibility when fielding ground balls or pop flies.

  • H-Web: This webbing pattern is commonly used by infielders as it allows for quick transfers from glove to throwing hand while maintaining good visibility through the webbing.
  • I-Web: The I-web design provides additional support for infielders who need extra stability when fielding ground balls or making quick throws across bases.

5. Consider Pocket Depth

The pocket depth of a glove refers to how deep the pocket is and affects how securely the ball is held in the glove. Infielders generally prefer shallow pockets for quick ball transfers, while outfielders opt for deeper pockets to secure fly balls.


Choosing the right baseball glove for your position is crucial for optimal performance on the field. By considering factors such as position, size, material, webbing, and pocket depth, you can ensure that you have a glove that enhances your abilities and provides maximum comfort and protection. Remember to try on different gloves before making a final decision to find one that fits your hand comfortably and feels natural during gameplay.

VIII. Unveiling the Secrets Behind Catcher’s Gear in MLB

When it comes to playing baseball, catchers play a crucial role in the game. They are responsible for receiving pitches from the pitcher and protecting home plate from runners trying to score. To perform their duties effectively, catchers rely on specialized gear that is designed to provide them with both protection and mobility.

The Importance of Catcher’s Gear

Catcher’s gear is essential for the safety and performance of a catcher. It consists of several key components that work together to protect them from potential injuries during a game.

  • Chest Protector: The chest protector is worn underneath the jersey and covers the chest, abdomen, and shoulders. It is made of foam padding or other impact-absorbing materials to protect against foul balls or collisions at home plate.
  • Leg Guards: Leg guards cover the lower legs, knees, and shins of a catcher. They are designed with padding on the inside to absorb impact when blocking pitches or making plays at home plate.
  • Hockey-Style Mask: Unlike traditional masks that only cover part of the face, hockey-style masks provide full facial protection for catchers. They have a cage-like structure that protects against foul balls while still allowing good visibility.
  • Glove: The catcher’s glove is larger than other fielding gloves and has extra padding to help catch fastballs without causing injury to their hand.

Innovations in Catcher’s Gear

The design of catcher’s gear has evolved over time as manufacturers continue to innovate and improve player safety. Some notable advancements include:

  • Lightweight Materials: Modern catcher’s gear is made from lightweight materials that provide excellent protection without compromising mobility. This allows catchers to move more freely and react quickly during a game.
  • Moisture-Wicking Technology: Catchers often sweat heavily during games, so many gear manufacturers have incorporated moisture-wicking technology into their products. This helps keep catchers dry and comfortable throughout the game.
  • Customization Options: Catchers can now customize their gear to suit their preferences and style. They can choose from various colors, patterns, and even add personal touches like their name or team logo.

Taking Care of Catcher’s Gear

To ensure the longevity of catcher’s gear, proper care and maintenance are essential. Here are some tips for taking care of your catcher’s gear:

  • Cleaning: After each game or practice session, wipe down the gear with a damp cloth to remove dirt and sweat. Allow it to air dry before storing it in a well-ventilated area.
  • Avoiding Extreme Temperatures: Exposure to extreme heat or cold can damage the materials used in catcher’s gear. Avoid leaving it in direct sunlight or storing it in freezing temperatures.
  • Frequent Inspections: Regularly inspect your gear for any signs of wear and tear, such as loose straps or frayed padding. Replace any damaged parts immediately to maintain optimal safety.

The Future of Catcher’s Gear

The world of baseball is constantly evolving, and so is the equipment used by players. In the future, we can expect further advancements in catcher’s gear technology that will enhance player safety and performance. Some potential areas of development include:

  • Smart Gear: With the rise of wearable technology, we may see the integration of sensors in catcher’s gear to provide real-time data on a player’s performance and health.
  • Improved Impact Protection: Manufacturers will continue to explore new materials and designs that offer even better protection against high-velocity impacts.
  • Ergonomic Designs: Catcher’s gear may become more ergonomic, allowing for a more natural range of motion and reducing strain on the body.

IX. Essential Equipment for Catchers: Masks, Chest Protectors, and Shin Guards

Catchers play a crucial role in baseball, as they are responsible for catching pitches and preventing base runners from advancing. To perform their duties effectively, catchers need to have the right equipment that provides them with protection and allows them to move freely. In this section, we will explore the essential equipment for catchers, including masks, chest protectors, and shin guards.


The mask is perhaps the most recognizable piece of equipment worn by catchers. It is designed to protect their face from foul balls and wild pitches. Modern catcher’s masks are made of lightweight materials such as titanium or aluminum alloy frames with a strong cage that covers the face.

When choosing a mask, catchers should consider factors such as comfort, visibility, and durability. The mask should fit securely on their head without obstructing their vision or movement. Some masks also come with additional features like padding on the inside for added comfort.

Chest Protectors

Chest protectors are another essential piece of equipment for catchers as they provide protection against potential injuries caused by foul tips or collisions at home plate. They typically consist of a hard outer shell made of plastic or foam padding that absorbs impact.

When selecting a chest protector, catchers should look for one that offers adequate coverage without restricting their mobility behind the plate. The protector should fit snugly but allow enough room for movement when crouching or throwing.

Shin Guards

Shin guards are vital in protecting the lower legs from foul balls and sliding base runners during games. They usually consist of hard plastic shells lined with foam padding to absorb impact.

  • Length: Shin guards should cover the entire shin from the knee to the ankle.
  • Fit: They should fit securely around the leg without being too tight or too loose, allowing catchers to move freely.
  • Comfort: Look for shin guards with additional padding on the inside for added comfort during long games.

Catchers must ensure that their shin guards are properly secured and provide adequate protection. Ill-fitting or poorly maintained shin guards can lead to injuries and hinder performance behind the plate.