What position did Dan Marino primarily play?

What position did Joe Montana primarily play? Joe Montana is best known for playing with which NFL team? Which college was Joe Montana playing for when he entered the NFL? What jersey number did Joe Montana wear with the 49ers? Which college was Dan Marino playing for when he entered the NFL? What jersey number did Dan Marino wear with the Dolphins? What position did John Elway primarily play? Which college was John Elway playing for when he entered the NFL?