What uniform number did Jorge Posada wear with the Yankees?

Bernie Williams is best known for playing with which MLB team? What uniform number did Bernie Williams wear with the Yankees? What position did Jorge Posada primarily play? Jorge Posada is best known for playing with which MLB team? What position did Paul O'Neill primarily play? Paul O'Neill is best known for playing with which MLB team? What uniform number did Paul O'Neill wear with the Yankees? What position did Thurman Munson primarily play?