What position did Jim McMahon primarily play?

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