Why do baseball coaches wear team uniforms?

Soccer, basketball, volleyball, and handball coaches often wear vests when their teams enter the game. However, baseball managers and coaches often wear team uniforms with uniform numbers. Wearing a uniform has been a tradition since the early days of baseball. The position that managers hold today is often taken up by the captain. So why are they still wearing uniforms?
Unlike most other sports, baseball coaches and managers can step onto the field without restriction to replace their pitcher, give directions to a batter, or sometimes call a referee. . During the match, they can go in and out of the field as often as possible. However, if they do not wear uniforms, they are not allowed to enter the field according to regulations. That’s why they wear the players’ uniforms.
A baseball manager is not only a leader who teaches players skills and tactics, but also someone who is involved in many departments. Because the manager has a huge influence on the outcome of the game, baseball requires close communication between the manager and the players. The uniform worn by the manager is to express the will to participate in the match with the players.
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