The Collectible Store is proud to present, Mike Sweeney. Michael John "Mike" Sweeney is a former Major League Baseball first baseman. Sweeney played his first 13 seasons in the majors with the Kansas City Royals, originally as a catcher and then moving to first base. Sweeney also played for the Oakland Athletics, Seattle Mariners, and Philadelphia Phillies. On March 25, 2011, Sweeney retired from baseball. He now works as a studio analyst on the MLB Network. The Piece is 9 x 12 vertical black marble finish wooden plaque. A clear acrylic was used to protect the card. A 2½ x 3½ Baseball card with a piece of the games used jersey # 29 Kansas City Royals - Upper Deck , is placed on a blue mat. The copy of the certified card By Upper Deck is enclosed in an envelope and attached on the back of the plaque. It includes a vertical plaque holder. The piece weighs 2 pounds.