players, match officials, Referees, assistant referees, stewards
Four. One in the center, two assistant referees, and one fourth official.
Referees do not wear any numbered jerseys.
Football because in every professional match you need two referees of different cultures to the teams playing each other on that day.
The Football association relating to those matches will choose the referees from the set panel of referees that they have.
Three, a center and two assistants. Possibly four if there is a fourth official on the sideline.
There are 7 referees in a game.
British American Football Referees' Association was created in 1984.
Yes the referees can interfere in a match
3 referees are in soccer and football