GREEN BAY, WI - CIRCA 1960's:  Linebacker Ray Nitschke #66 of the Green Bay Packers tries to bring down running back John David Crow #44 of the St. Louis Cardinals during a circa mid 1960's NFL football game at Lambeau Field in Green Bay, Wisconsin. Nitschke played for the Packers from 1958-72. (Photo by Focus on Sport/Getty Images)