Which college was Marcus Allen playing for when he entered the NFL?

Which college was Gale Sayers playing for when he entered the NFL? What jersey number did Gale Sayers wear with the Bears? What position did Marcus Allen primarily play? Marcus Allen is best known for playing with which NFL team? What jersey number did Marcus Allen wear with the Raiders? What position did Marshall Faulk primarily play? Marshall Faulk is best known for playing with which NFL team? Which college was Marshall Faulk playing for when he entered the NFL?