What jersey number did Roger Staubach wear with the Cowboys?

What jersey number did Warren Moon wear with the Oilers? What position did Roger Staubach primarily play? Roger Staubach is best known for playing with which NFL team? Which college was Roger Staubach playing for when he entered the NFL? 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? What position did Bart Starr primarily play?