The usual number is 4, but other regular formations include 5 defenders or 3 defenders. But in football you could in theory have as many defenders as you want! (As long as there are only eleven players) but it wouldn't be very tactical!
You are allowed to use 3 substitutes.
eleven
Eleven. 1 goalie and 10 field players.
22 players are allowed on the field for a play, 11 on offense, 11 on defense.
football or soccer soccer 22 ,11 on each team football not a clue
11 players play for each team in a soccer match (including the goalkeeper.)
There are eleven players on a soccer team - one goalkeeper, and ten outfield players. In most professional matches teams are allowed five substitutes in the squad, of which they can use three.
About 26 players can be on a michigan varsity team in one season.
eleven, what do you mean categories? ... like offense + midfield + defense
The offense and defense are allowed a maximum of 11 players each.
6 players
11 ppl are allowed to play on the field, plus the other players on the sidelines.