Charley Brock played all of his nine of his NFL seasons (1939-47) with the Green Bay Packers after having a phenomenal career at the University of Nebraska.  Brock was usually at Center but was also used as a Halfback and Fullback, and on the defensive side of the ball, he had 20 Interceptions.  Brock helped Green Bay win the 1939 and 1944 NFL Championship and was a three-time Pro Bowl Selection.