players, match officials, Referees, assistant referees, stewards
There are 7 referees in a game.
Three, a center and two assistants. Possibly four if there is a fourth official on the sideline.
4 feferees. The main referee, two line referees, and the 4th referee who controls the board for substitutions.
3 referees are in soccer and football
as a minium 1 referee and 2 assistant referees.
Football because in every professional match you need two referees of different cultures to the teams playing each other on that day.
there is usually 3 referees in highschool and college im not sure about the nba
The Football association relating to those matches will choose the referees from the set panel of referees that they have.