Mike Mussina 1992 Leaf Baseball Card #13 #baseball The product is a 1992 Mike Mussina Series 1 Leaf Rookie Card #13 . This baseball trading card features Mike Mussina, a Hall of Fame pitcher, during his rookie season. Manufactured by Leaf, the card is a collectible piece for fans and collectors of sports trading cards. It is a valuable addition to any baseball card collection.