Portrait of George Mullin, pitcher for the Detroit Tigers. Printed on back: "George J. Mullin, the 'iron man' of the Detroit pitching staff, has played major league ball since 1902. He is a big right-handed thrower and batter, and is the club's emergency sticker. He is six feet tall and weighs over 200 pounds. Copyrighted and published by A.C. Dietsche, Detroit, Mich., 1907."
