What position did Ken Griffey Jr. primarily play?

Trevor Hoffman is best known for playing with which MLB team? What uniform number did Trevor Hoffman wear with the Padres? Fernando Tatis Jr. is best known for playing with which MLB team? What uniform number did Fernando Tatis Jr. wear with the Padres? What uniform number did Ken Griffey Jr. wear with the Mariners? What position did Ichiro Suzuki primarily play? What uniform number did Ichiro Suzuki wear with the Mariners? What uniform number did Edgar Martínez wear with the Mariners?