What position did Johnny Unitas primarily play?

What jersey number did Aaron Rodgers wear with the Packers? What position did Patrick Mahomes primarily play? Which college was Patrick Mahomes playing for when he entered the NFL? What jersey number did Patrick Mahomes wear with the Chiefs? Which college was Johnny Unitas playing for when he entered the NFL? What jersey number did Johnny Unitas wear with the Colts? What position did Terry Bradshaw primarily play? Terry Bradshaw is best known for playing with which NFL team?