What position did Bob Gibson primarily play?

Wade Boggs is best known for playing with which MLB team? What uniform number did Wade Boggs wear with the Red Sox? What position did Stan Musial primarily play? What uniform number did Stan Musial wear with the Cardinals? What uniform number did Bob Gibson wear with the Cardinals? Which player was nicknamed "Hoot"? What position did Ozzie Smith primarily play? Ozzie Smith is best known for playing with which MLB team?