What position did Charlie Joiner primarily play?

What position did Paul Warfield primarily play? Paul Warfield is best known for playing with which NFL team? Which college was Paul Warfield playing for when he entered the NFL? What jersey number did Paul Warfield wear with the Dolphins? Charlie Joiner is best known for playing with which NFL team? Which college was Charlie Joiner playing for when he entered the NFL? What jersey number did Charlie Joiner wear with the Chargers? What position did James Lofton primarily play?