Offsetting penalties / Formaldehyde

Second down and six.
Opponent's 38 yard line.
Center snaps the ball.
The crowd roars.
Quarterback drops back to pass.
Offensive line steps back into pass protection.
Cornerbacks jam the wide receivers.
Fullback picks up the safety blitz.
Linebacker drops into coverage.
The crowd cheers.
Tight end finds a spot in the seam.
Quarterback checks off his primary receiver.
Pocket begins to collapse.
Slot receiver breaks out of his route.
Running back releases from pass protection.
The crowd gasps.
Linebacker begins to converge.
Quarterback dumps the ball off to the running back.
Defensive end misses a tackle.
Cornerback abandons his coverage and charges the line of scrimmage.
Linebacker grabs running back by face mask, attempts to rip head off.
The crowd boos.
Referee tosses a flag.
Offensive tackle falls to the ground.
Whistle is blown.
Strong safety falls to the ground.
Fullback steps on neck of strong safety, attempts to detach head from body.
Referee tosses a flag.
Offsetting penalties.
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Second down and six.
Opponent's 38 yard line.
Center snaps the ball. . .