What jersey number did Mike Ditka wear with the Bears?

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