Mark Sanchez jokes about ‘The Butt Fumble’

Mark Sanchez is hit by New England Patriots defensive end Jermaine Cunningham and Justin Francis during the second half.ASHBURN, Va. (AP) — The question about that one particular, infamous play wasn’t complete when Mark Sanchez interrupted to deliver a perfectly straight-faced, deadpan response.

“I’m not following,” he said.

For a guy who was a first-round NFL draft pick and played in a pair of AFC title games at the outset of his professional career, Sanchez knows — fairly or not — his name is associated with “The Butt Fumble.” And so he was able to crack a smile — and a retort — when it was brought up at a news conference Wednesday before Sanchez participated in his first practice as the…