What position did Bart Starr primarily play?

What jersey number did Roger Staubach wear with the Cowboys? What position did Joe Namath primarily play? Which college was Joe Namath playing for when he entered the NFL? What jersey number did Joe Namath wear with the Jets? Bart Starr is best known for playing with which NFL team? Which college was Bart Starr playing for when he entered the NFL? What jersey number did Bart Starr wear with the Packers? What position did Fran Tarkenton primarily play?