What position did Adrian Peterson primarily play?

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