What position did Salvador Perez primarily play?

What uniform number did Justin Morneau wear with the Twins? What position did Bret Saberhagen primarily play? Bret Saberhagen is best known for playing with which MLB team? What uniform number did Bret Saberhagen wear with the Royals? Salvador Perez is best known for playing with which MLB team? What uniform number did Salvador Perez wear with the Royals? What position did Mike Mussina primarily play? Which player was nicknamed "Moose"?