We'll use this break to go over plays bad coaches like to call too often:
Draw Play: What the Giants did on 3rd and Goal, used when a team expects you to pass so by delaying the handoff the defense spreads out, leaving a gap for the running back (the guy the quarterback hands the ball to). Coaches like to use this play when teams expect the run, leading to hilariously bad results.
Prevent Defense: A late-game strategy used to protect a lead by not covering opposing receivers.
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http://i259.photobucket.com/albums/hh293/zukiraphaera/war-sig-1.png
http://i.imgur.com/597oi.png