What position did LaDainian Tomlinson primarily play?

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