What position did Jackie Robinson primarily play?

What uniform number did Phil Rizzuto wear with the Yankees? Which player was nicknamed "Scooter"? What position did Aaron Judge primarily play? What uniform number did Aaron Judge wear with the Yankees? What uniform number did Jackie Robinson wear with the Dodgers? What position did Duke Snider primarily play? Duke Snider is best known for playing with which MLB team? What uniform number did Duke Snider wear with the Dodgers?