Blocking Below the Waist
When a player hits or blocks an opponent below the waist
Delay of Game
When the ball is not snapped before the play clock expires
When a player goes past the line of scrimmage and hits someone before the ball is snapped
When a player grabs another player's facemask
5 (unintentional) or15 (intentional) yards and an automatic first down
When a player goes past the line of scrimmage without touching someone before the ball is snapped.
When an offensive player makes a forward pass after crossing the line of scrimmage
When a player uses his hands to grab onto an opponent
Illegal Man Downfield
When an ineligible receiver catches the ball
When two or more offensive players are moving at the same time before the snap.
When there are less than 7 players on the line of scrimmage or the receiver takes more than two steps after a fair catch
When a player changes position or direction illegally
Illegal Use of Hands or Feet
When a player uses his hands or feet in unnecessary ways
When an offensive player interferes with a defensive player who is trying to catch the ball
When a defensive player interferes with the offensive player who is trying to catch the ball
ball is placed at the place at the spot of the foul and automatic first down
When a player intentionally commits a serious penalty
When a player tackles another player with their helmet.
When a player uses his legs to knock down an opponent
When a player hits or makes contact with a player after the ball is out of play