NFL Hall-of-Famer Criticizes Cam Newton

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Cam Newton was a polarizing figure at Auburn.  Apparently, he continues to be in the pros.

The Carolina Panthers quarterback is known for celebrating a touchdown by posing as Superman.  He pretends to pull away the middle of his jersey to reveal a Superman costume.  

While Newton is one of many NFL players with his own touchdown celebration, former Pittsburgh Steeler "Mean Joe" Greene thinks these acts of jubilation disrespect the game.