Joe Greene
His nickname could not be more direct: “Mean” Joe Greene. As one of the most feared NFL defensive players, he even gave Dick Butkus a run for his money. Additionally, he famously disrupted blocks and overpowered any offensive opponents.
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Jack Tatum
Jack “The Assassin” Tatum was notorious for his ferocious hits on opponents, many times causing injury. Unfortunately, he paralyzed Darryl Stingley. His obituary in the NY Times claimed he was a “symbol of a violent game.”