Excessive pushing or shoving (2,4).

Engaging in fisticuffs (fighting) or shoving.

An act of excessive roughness against an opponent, often rather minor violence that stops short of fighting; incurs a minor penalty.

Minor fisticuffs or shoving. Illegal and calls for a minor penalty.

A personal foul with a 15 yard penalty. Called when a player illegally contacts another player, as in roughing the punter, when a player tackles the punter without touching the ball, or roughing the passer, where a defensive player attempts to tackle the quarterback after the ball has been thrown.

Any undue physical treatment of an opponent. It may earn a minor or major penalty.

minor penalty which occurs when a fight between players is more of a pushing and shoving match; a less severe penalty than fighting.