What position did Paul Konerko primarily play?

What position did Joe Mauer primarily play? What uniform number did Joe Mauer wear with the Twins? Frank Thomas is best known for playing with which MLB team? What uniform number did Frank Thomas wear with the White Sox? Paul Konerko is best known for playing with which MLB team? What uniform number did Paul Konerko wear with the White Sox? What position did Shoeless Joe Jackson primarily play? Shoeless Joe Jackson is best known for playing with which MLB team?