What uniform number did José Canseco wear with the Athletics?

What position did Mark McGwire primarily play? Which player was nicknamed "Big Mac"? What position did José Canseco primarily play? José Canseco is best known for playing with which MLB team? What position did Greg Maddux primarily play? Greg Maddux is best known for playing with which MLB team? What uniform number did Greg Maddux wear with the Braves? Which player was nicknamed "Mad Dog"?