Yes, Major League Baseball (MLB) players are required to wear hats during games as part of their uniform. According to MLB rules, players must wear their team’s designated cap throughout the game, with a few exceptions such as for medical reasons.
The use of hats is an important part of baseball tradition, and the design of the cap is an important part of a team’s identity. Baseball caps typically feature the team’s logo or emblem on the front, and they are often worn with the bill facing forward or backward depending on the player’s preference.
In addition to hats, MLB players are also required to wear other parts of their uniform, such as their team’s jersey, pants, socks, and shoes. These uniform requirements help to promote a sense of team unity and identity, and they are an important part of the sport’s history and tradition.