This defender shows exactly why NFL players are the craziest athletes in the world

I can't think of another job where this would be acceptable.

Professional athletes are crazy in their own right, but former 10-year veteran John Henderson took that crazy to another level during his playing days.

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The 6'7", 328-pound defensive tackle didn't just need a warm up, he needed a swift slap to the face to get ready.

I can't think of another line of work where it's acceptable to request an open-hand slap to the face to get ready.