the rules
The referee maintains discipline and order throughout the game. It keeps time of the game, allows substitutions, calls fouls, and calls out-of-bounds balls.
Referee's
A referee usually controls a football match
1,600 a game.
The referee
Referees must take an exam. The exams do have questions on them.
American football has a few referee's at every game to monitor each play at all times.
The referee at a football game wears black and white stripes to stand out.
Jerry Markbreit
Usually there are four officials, a referee, two linesmen and a fourth referee to show the time or change in player, or if the referee can not take further part.
A score keeper. =D tennis ~ umpire football ~ referee
He sees that the game goes smoothly, and decides if it is a foul or a goal.