Why Do Some Baseball Players Wear One Long Sleeve? Is It a Special Undershirt or What?

It's not uncommon to see baseball players wearing one long sleeve, while the other arm remains bare. This practice has been around for decades, and there are several reasons why players choose to do it.

One reason is for protection from the sun. Baseball players spend a lot of time outdoors, and the sun's rays can be harmful to the skin. A long sleeve can help to protect the player's arm from sunburn and skin cancer.

Another reason is for warmth. Baseball is often played in cold weather, and a long sleeve can help to keep the player's arm warm. This can be especially important for pitchers, who need to be able to keep their arm loose and warm in order to throw effectively.

Finally, some players simply prefer the way it looks. A long sleeve can add a touch of style to a player's uniform, and it can also help to make the player look more intimidating to opponents.

Whether or not a player's long sleeve is a special undershirt depends on the player. Some players simply wear a regular long sleeve shirt under their uniform, while others wear a specialized undershirt that is designed to provide extra protection or support.


  1. What is the most common reason why baseball players wear one long sleeve?
  2. To protect their arm from the sun.
  3. Can a long sleeve help to keep a player's arm warm?
  4. Yes, a long sleeve can help to keep a player's arm warm in cold weather.
  5. Do all baseball players wear long sleeves?
  6. No, not all baseball players wear long sleeves.
  7. What is the purpose of a specialized undershirt for baseball players?
  8. To provide extra protection or support.
  9. Is it against the rules for baseball players to wear long sleeves?
  10. No, it is not against the rules for baseball players to wear long sleeves.

  • Nike Dri-FIT Baseball Sleeve
  • Under Armour HeatGear Arm Sleeve
  • Adidas Alphaskin Arm Sleeve
  • McDavid Hex Knee Sleeve
  • Shock Doctor Ultra Knee Sleeve

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