Who are the greatest all time Oakland A's of all time by position?

The Greatest Oakland A's by position: Pitcher; Dave Stewart. Catcher; Terry Steinbach. 1st base; Mark McGwire. 2nd Base; Bert Campernaris. 3rd Base; Eric Chavez. Shortstop; Miguel Tejada. Outfield; Joe Rudi, Reggie Jackson, Rickey Henderson.