What uniform number did Mike Piazza wear with the Mets?

Tom Seaver is best known for playing with which MLB team? What uniform number did Tom Seaver wear with the Mets? What position did Mike Piazza primarily play? Mike Piazza is best known for playing with which MLB team? What position did Dwight Gooden primarily play? Dwight Gooden is best known for playing with which MLB team? What uniform number did Dwight Gooden wear with the Mets? Which player was nicknamed "Dr. K"?