1. They have not made the in line cut block that the Broncos used illegal. And the chop block is not illegal in running plays except in very specific situations.

http://en.wikipedia.org/wiki/Chop_bl...iron_football)

2. It wasn't a ZBS play, it was a trap but something went bad elsewhere. Trap blocking has won Super Bowls since before there was a Silverdome, much less Ford Field.

3. Bulaga doesn't whiff.

4. Drive blocking fails as well if there is an unblocked guy.