Which college was Jim McMahon playing for when he entered the NFL?

Which college was Tua Tagovailoa playing for when he entered the NFL? What jersey number did Tua Tagovailoa wear with the Dolphins? What position did Jim McMahon primarily play? Jim McMahon is best known for playing with which NFL team? What jersey number did Jim McMahon wear with the Bears? What position did Doug Williams primarily play? Doug Williams is best known for playing with which NFL team? Which college was Doug Williams playing for when he entered the NFL?