Definition: The umpire is the official that lines up approximately five yards off the line of scrimmage on the defensive side of the ball. His duties include:
• Checking the legality of the players' equipment
• Making sure the offense has no more than 11 men on the field
• Monitor the legality of play on the line of scrimmage with a special emphasis on offensive holding and illegal linemen down field
• Assist the referee on decisions involving possession of the ball
• Record all timeouts
• Record all scores
• Record the winner of the coin toss
• Wipes the ball dry between plays on rainy days
