What position did Mark Buehrle primarily play?

What uniform number did Jack Morris wear with the Tigers? What position did Dave Stewart primarily play? Dave Stewart is best known for playing with which MLB team? What uniform number did Dave Stewart wear with the Athletics? Mark Buehrle is best known for playing with which MLB team? What uniform number did Mark Buehrle wear with the White Sox? What position did Johan Santana primarily play? Johan Santana is best known for playing with which MLB team?