What position did Frank Robinson primarily play?

Which player was nicknamed "The Grey Eagle"? What position did Hank Greenberg primarily play? Hank Greenberg is best known for playing with which MLB team? What uniform number did Hank Greenberg wear with the Tigers? What position did Carl Hubbell primarily play? Carl Hubbell is best known for playing with which MLB team? What uniform number did Carl Hubbell wear with the Giants? Which player was nicknamed "King Carl"?