False Start: an invalid or disallowed start to a play, usually due to a competitor beginning before the official signal has been given.
Offensive holding: holding onto a defender to prevent them from getting past or around the offensive player
Defensive Pass Interference: when a player interferes with an eligible receiver's ability to make a fair attempt to catch a forward pass
Defensive Offside: A foul in which a player is on the wrong side of the line of scrimmage when the ball is snapped
Unnecessary Roughness: A conduct- or safety-related infraction with violent contact with an opponent who is away from and out of the play.