pulling a peyton manning

Entering the "Big" game, only to choke in the presented pressure.

"Dude, what happened? You are the best, then you choked!"
"Sorry, man, I guess I pulled a Peyton Manning..."

The 2nd Super Bowl appearance.
The 3rd Super Bowl appearance.
Plus, numerous play-off losses prior to his first Super Bowl appearance.
"Put me in coach! I promise, I won't be pulling a Peyton Manning!"