Screen pass

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A screen pass, or a "shuttle pass" (usually back-handed) is a type of "trick play" in American football, much like a draw. During a screen pass, many things are going on at the same time in order to fool the defense into thinking a long pass is being thrown, when in fact the pass is merely a short one, just beyond the defensive linemen. Screens are usually deployed against aggressive defenses that rush the passer. Because screens invite the defense to rush the quarterback, it leaves fewer defenders behind the rushers to stop the play.

A screen pass can be effective, but it also can be risky because it is rather easy for a defensive player, even a lineman, to intercept this short pass if a defender gets in between the quarterback and the intended receiver. If the pass is intercepted, there are often few offensive players in front of the intercepting player, thus making it much easier for the intercepting team to earn a large return or to score a touchdown.

A screen pass is referred to as a shovel pass when the quarterback palms the football, and literally "shoves" the pass directly forward to the receiver, usually with a backhand motion.

[edit] Offensive action during a screen pass play

• The quarterback drops back as if he's going to pass.
• The offensive line sets up in pass protection for usually one to two seconds, then releases and lets the defensive line go.
• The person receiving the screen pass will move behind the releasing linemen and wait for the ball.
• The outside receivers run clear-out routes in order to make a path for the screen coming behind them.

If run properly, the defensive backs will be run out of the play by the receivers, and the defensive line will penetrate too far to stop the short pass from being thrown. The only defenders left will be linebackers, which will be picked up by the "screen" of offensive linemen in front of the receiver--hence the name "screen pass."

[edit] Types of screen pass plays

There are different types of screens that can be thrown, such as:

• The "conventional" screen to the running back, which follows the action described above. This type of play is something of a scripted checkdown.
• A tight end screen where the tight end takes the place of the running back in the above description.
• The wide receiver screen (or "jailbreak screen"), where the linemen sprint out in front of the wide receiver catching the screen pass. However, the blocking may be as simple as one receiver blocking ahead of another.
• The "quarterback throwback" screen, where the quarterback will pitch to a running back and run the opposite direction, with releasing linemen in front of him. The running back will then "throw it back" to the quarterback, with offensive linemen leading him downfield.
• The "middle screen", which has the same type of action as a "conventional" screen, but the linemen remain in the middle of the field rather than releasing to either side.