But persistent shoulder injuries kept him out of the lineup , neutered his potential and forced him to retire in ' 81 after only 6 seasons .
In Super Bowl XII he recovered 2 fumbles and intercepted a pass .
Persistent shoulder injuries kept him out of the lineup , neutered his potential and forced him to retire in ' 81 after only 6 seasons .
In Super Bowl XII he recovered 2 fumbles and intercepted a pass .