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For the Green Bay Packers, Ray Nitschke was a force to be reckoned with. Famously known as "Wildman," Nitschke embodied the bruising style of linebackers in the 1960s. He aimed to instill fear into opponents with every tackle, famously setting the tone in Super Bowl II with a vicious hit on a Raiders player that sent shockwaves through the stadium. Nitschke's legacy is defined by his aggressive play and leadership during an era where making a mark was often brutal.