Which college was Larry Csonka playing for when he entered the NFL?

Which college was Bo Jackson playing for when he entered the NFL? What jersey number did Bo Jackson wear with the Raiders? What position did Larry Csonka primarily play? Larry Csonka is best known for playing with which NFL team? What jersey number did Larry Csonka wear with the Dolphins? What position did John Riggins primarily play? John Riggins is best known for playing with which NFL team? Which college was John Riggins playing for when he entered the NFL?