What position did Marshall Faulk primarily play?

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