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Does an illegal shift stop the play?

Author

Emily Sparks

Published Jan 23, 2026

It is also an illegal shift if a player under or behind center goes in motion and fails to come to a complete stop for at least one full second before a second player goes in motion. Note: The offensive team must present a legal formation both before and after a shift. Penalty: For an illegal shift: Loss of five yards.

Can you decline illegal shift?

The penalty is not automatically assessed, and can still be declined. You just can't decline it in favor of the play as you can on illegal shift... because the play never happens.

What is the difference between illegal motion and illegal shift?

The National Football League defines all motion and shift penalties as "illegal motion", while both the NCAA and NFHSAA make a distinction between an "illegal shift" and "illegal motion"; an illegal shift refers to players shifting and not coming to a complete stop before the snap, while illegal motion refers to a ...

How many yards is an illegal shift?

In both leagues, however, the penalty for illegal motion/illegal shift is five yards from the previous spot and replay the down. Additionally, the offensive team may be charged with the penalty of a "false start" if a player on the offense jumps or moves abruptly, simulating the start of the play.

What is an illegal play in football?

Illegal motion is a penalty in football called against offensive players who are in motion toward the line of scrimmage during the snap. This rule prevents offensive players from getting a running start by moving toward the line of scrimmage as the play starts.

28 related questions found

What is an illegal shift in high school football?

The Illegal Shift Explained

An illegal shift is also what's known as a pre-snap penalty, as the infraction occurs before the center actually snaps the ball to the quarterback. The infraction occurs when more than one offensive player changes position, or shifts, at the same time.

Is illegal shift a dead ball foul?

NCAA defines a shift as a simultaneous change of position or stance by two or more offensive players after the ball is ready for play before the snap for a scrimmage down (2-22). NCAA adds that it is a dead-ball foul when all team A players never become set for a full second before the snap (7-1-2b-5).

What is an illegal shift penalty?

An illegal shift penalty will be called if the ball is snapped and a player fails to come completely set following a shift. For example, a tight end and a wide receiver shift from one side of the center to the other. Before both players are in a set position for at least one second the quarterback hikes the ball.

What is an offensive illegal shift?

An illegal shift is an offensive penalty that is unforced, meaning the offense commits the violation before the play begins without the defense having an effect on the foul.

Can a QB go in motion?

Sure, A QB can go in motion.

Is clipping still a penalty in the NFL?

It is usually illegal, but in the National Football League it is legal to clip above the knee in close-line play.

What is the difference between a false start and illegal motion?

False Start is simulating the start of the play. A back that suddenly lurches or stumbles forward has false started no matter how much he tries to make it look like he was just going in motion. Illegal Shift is when more than one player moves/shifts at the same time and they don't all set before the snap.

What is the penalty in the NFL for an illegal formation?

Penalty: For illegal formation by the offense: Loss of five yards.

How many tries do you get to make a first down?

FIRST DOWN

Each time the offense gets the ball, it has four downs, or chances, in which to gain 10 yards. If the offensive team successfully moves the ball 10 or more yards, it earns a first down, and another set of four downs. If the offense fails to gain 10 yards, it loses possession of the ball.

Does the offensive tackle have to be covered?

It's perfectly legal for the TE to be uncovered and it's done dozens of times in every game. In the NFL, the formation is illegal if a TE is covered up, or if a lineman who has not reported as eligible is uncovered.

Can 2 players be in motion?

College football added a twist that if all 11 don't set and a player is moving at the snap, it becomes a false start. If all set and now two or more are moving and don't reset prior to the snap, it is an illegal motion penalty."

Can you decline an encroachment penalty?

Unless expressly prohibited, the penalty for any foul may be declined by the offended team, and play proceeds as though no foul had been committed.

Can you punch in the NFL?

Rule Summary View Official Rule

There shall be no unsportsmanlike conduct. This applies to any act which is contrary to the generally understood principles of sportsmanship. Such acts specifically include, among others: Throwing a punch, or a forearm, or kicking at an opponent, even though no contact is made.

Can you have 9 guys on the line of scrimmage?

The defense is only allowed a maximum of 6 players on the line of scrimmage on either side of the snapper at the snap. Having 7 or more players on the line on one side will result in an illegal formation penalty.

Was the Philly special illegal formation?

Yup, Philly Special shouldn't have been allowed to go for a touchdown. It was an illegal formation according to our favorite former NFL official. Essentially Alshon Jeffrey was lined up two yards off the line of scrimmage. That means the Eagles didn't have enough players on the line of scrimmage on a tick play.

Can defense get a delay of game?

Yes, although it is uncommon, delay of game penalties can be called on the defense in football. While most fans view the delay of game penalty as something that only happens when the offense fails to snap the ball before the play clock expires, this is not the case.

How many yards is a face mask penalty?

Rule Summary View Official Rule

Penalty: For twisting, turning, pushing, pulling, or controlling the mask: Loss of 15 yards. The player may be disqualified if the action is flagrant. If the foul is by the defense, it is also an automatic first down.

What is a pre snap penalty?

Delay of game (5 yards) - When the offensive team does not snap the ball before the play clock has expired, they will be given a delay of game penalty. This is a five yards. The play clock is either 40 seconds or 25 seconds long.

Is tripping illegal in NFL?

As defined by the 2019 NFL Rulebook: Rule 3, Section 40, “Tripping is the use of the leg or foot to obstruct any opponent (including a runner).” Rule 12, Section 1, Article 8 makes tripping a prohibited act.

Can you block below the waist in the NFL?

The approved proposal illegalizes blocking below the waist by offensive and defensive players on scrimmage downs when contact occurs beyond five yards on either side of the line of scrimmage and more than two yards outside of either offensive tackle.