there are three referees in the NBA.
There are 7 referees in a game.
i think there are four referees.
There are four referees in a baseball game.
3 referees are in soccer and football
There are 2 referees and 2 linesman in an NHL game.
There were nine teams that were in the CFL at the beginning of the leagues formation.
as a minium 1 referee and 2 assistant referees.