there are six refs in a NFL football game
There are three refs in an NBA game- one on the baseline, one near the sideline, and one near half-court.
There aren't any NHL rules during the Olympics. The refs use International Hockey rules
there are 4 refs for each team idiot
4 2 refs and 2 linesmen
your question is to general: what do you mean? penalties, or calls the refs make? if i were to post rules i would be posting a whole book
You mean "what Does" 1. He Refs the game :)
about 300 dollars
Delay of game and a chance to discredit the refs
it is there job assignment for the game
The men with whistles are Referees they look out for fouls, penalties , etc. There are usually 2 Refs.
2000000000000 refs and 5667788880 linesman