What position did Mike Ditka primarily play?

What position did Jason Witten primarily play? Jason Witten is best known for playing with which NFL team? Which college was Jason Witten playing for when he entered the NFL? What jersey number did Jason Witten wear with the Cowboys? Mike Ditka is best known for playing with which NFL team? Which college was Mike Ditka playing for when he entered the NFL? What jersey number did Mike Ditka wear with the Bears? What position did Kellen Winslow primarily play?