5 to 8 players play at a time
9 but there can be ten (you can play with an extra outfeilder in tee-ball)
Depends on the league. In MLB it is 9 on the defense at one time.
it is 9 that can play at one time but each team always has more players. In Major League Baseball, a team has 25 players that are able to play in each game.
nobody has the time
Only 11 players from Manchester United can play at a time.
2 if your asking how many at a time.
A total of 22 players play at a time in a football match, 11 players in a team.