An NFL team can have up to six captains on the field during a game.
There are seven officials on the field during a football game.
A football team should have 11 players on the field during a game.
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There are typically five offensive linemen and four defensive linemen on the field during a football game.
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There were too many Captains in the Confederate Army to list individually.
The usual number of girls that play on the field during a U9 soccer game is 6 players.
12 players are allowed on a volley ball field at one time during a game.
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I'm pretty sure there can be as many substitutions as you want in the game.
There are 11 players allowed on the field for each team during a football game. The phrase "12 men on the field" refers to a penalty when a team has an extra player on the field, which is not allowed.