They should, and the catcher normally does. It's usually a safety rule for catchers in High School and college sports.
football players & cheerleaders, primarily.
Baseball players wear numbers so they can be easily identified on the field.
DALE RAYMOND WEARS SHORTS SHOES (asics) SINGLET COLOURED JOCKS AND SOCKS
Yes, they are required to wear hats. It is a part of the required uniform for all baseball players.
it depends on the gender.
there team leather jacket,blue jeans,team shoes
They wear bowls.