What position did Ray Nitschke primarily play?

What position did Cortez Kennedy primarily play? Cortez Kennedy is best known for playing with which NFL team? Which college was Cortez Kennedy playing for when he entered the NFL? What jersey number did Cortez Kennedy wear with the Seahawks? Ray Nitschke is best known for playing with which NFL team? Which college was Ray Nitschke playing for when he entered the NFL? What jersey number did Ray Nitschke wear with the Packers? What position did Jack Ham primarily play?