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| Sack |
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A tackle of the quarterback behind his line of scrimmage.
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| Safety |
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When a ball carrier is tackled in his own end zone after bringing the ball there under his own power; the defense earns 2 points and receives a free kick from the offense¹s own 20-yard line.
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| Scrambling |
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Evasive movements by a quarterback to avoid being sacked.
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| Screen |
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As the offensive line lets the blitz come through, the quarterback then passes to the running back as the offensive line now precedes him downfield as run blockers.
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| Series |
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The group of 4 downs a team has to advance 10 yards.
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| Shotgun Formation |
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A formation where the quarterback lines up behind the center five yards deep. He takes the snap like a backwards pass thru the legs of the center.
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| Sideline |
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The boundary line that runs the length of the field along each side; a ball carrier or ball that touches or crosses the sideline is out of bounds.
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| Snap |
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When the center while facing forward quickly hands the ball between his legs to a player standing behind him (usually the quarterback) to start each play.
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| Special Teams |
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The group of players who participate in kicking plays.
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| Spike |
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When a player throws the ball at the ground to celebrate a touchdown.
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| Spiral |
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A ball passed or kicked with a spin which propels it further with more accuracy; the ball points the same direction throughout its flight.
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| Spot |
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A location on the field, determined by an official, to mark forward progress or the place of a foul.
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| Super Bowl |
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The championship game of the NFL, played between the champions of the AFC and NFC at a neutral site each January; it is the culmination of the NFL playoffs.
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