Boundary Lines | The outer perimeter lines around the field. They include the sidelines and back of the end zone lines. |
Line of Scrimmage | (LOS) an imaginary line running through the point of the football and across the width of the field. |
Line-to-Gain | The line the offense must pass to get a first down or score. |
Rush Line | An imaginary line running across the width of the field seven yards (into the defensive side) from the line of scrimmage. |
Offense | The team with possession of the ball. |
Defense | The team opposing the offense to prevent it from advancing the ball. |
Passer | The offensive player that throws the ball and may or may not be the quarterback. |
Rusher | The defensive player assigned to rush the quarterback to prevent him/ her from passing the ball by pulling his/her flags or by blocking the pass. |
Live Ball | Refers to the period of time that the play is in action. Generally used in regard to penalties. Live ball penalties are considered part of the play and must be enforced before the down is considered complete. |
Dead Ball | Refers to the period of time immediately before or after a play. |
Whistle | Sound made by an official using a whistle that signifies the end of the play or a stop in the action for a timeout, halftime or the end of the game. |
Inadvertent Whistle | Official’s whistle that is performed in error. |
Charging | An illegal movement of the ball-carrier directly at a defensive player who has established position on the field. This includes lowering the head or initiating contact with a shoulder, forearm or the chest. |
Flag Guarding | An illegal act by the ball-carrier to prevent a defender from pulling the ball-carrier’s flags by stiff arm, lowering elbow or head or by blocking access to the runner’s flags with a hand, arm or ball. |
Shovel Pass | A legal forward pass across the LOS underhand, backhand or by pushing the ball forward. |
Lateral | A backward or sideway toss of the ball by the ball-carrier. |
Unsportsmanlike Conduct | A rude, confrontational or offensive behavior or language. |
Defensive pass interference | Automatic first down |
Holding | +5 yards and automatic first down |
Stripping | +5 yards and automatic first down |
Illegal contact | +5 yards and automatic first down |
Screening or blocking | -5 yards and loss of down |
Charging | -5 yards and loss of down |
Flag guarding | -5 yards and loss of down |
Illegal contact | -5 yards and loss of down |
Defensive unnecessary roughness | +10 yards and automatic first down |
Defensive unsportsmanlike conduct | +10 yards and automatic first down |
Offside / illegal substitution | +5 yds from line of scrimmage and automatic 1st down |
Illegal rush | +5 yds from line of scrimmage and automatic 1st down |
Illegal flag pull | +5 yds from line of scrimmage and automatic 1st down |
Roughing the passer | +5 yds from line of scrimmage and automatic 1st down |
Taunting | +5 yds from line of scrimmage and automatic 1st down |
Offensive unnecessary roughness | -10 yards and loss of down |
Offensive unsportsmanlike conduct | -10 yards and loss of down |
Offside / false start / illegal substitution | -5 yards from line of scrimmage and loss of down |
Illegal forward pass (caught behind LOS / QB over LOS) | -5 yards from line of scrimmage and loss of down |
Offensive pass interference | -5 yards from line of scrimmage and loss of down |
Illegal motion | -5 yards from line of scrimmage and loss of down |
Delay of game | -5 yards from line of scrimmage and loss of down |
Impeding the rusher | -5 yards from line of scrimmage and loss of down |
Illegal Procedure | -5 yards from line of scrimmage and loss of down |
Taunting | -5 yards from line of scrimmage and loss of down |