Each factory sealed set contains 660 cards (525 Veterans, 70 Rookies, 30 Managers, 10 League Leaders, 2 Rookies of the Year, 2 League MVPs, 2 Cy Young Award winners, 10 Classic Combo, 8 Post Season Highlights, and 1 Mickey Mantle card) PLUS one 10-card HOLIDAY SET EXCLUSIVE Rookie variation cello-wrapped pack (cards #11-#20of a 20-card set: Colby Rasmus > Cardinals, Kenshin Kawakami > Braves, Michael Bowden > Red Sox, Edwin Moreno > Padres, Ricky Romero > Blue Jays, Kila Kaaihue > Royals, Ramiro Pena > Yankees, Freddy Sandoval > Angels, Josh Whitesell > Diamondbacks, George Kottaras > Red Sox. Cards #1-#10 can only be found in the HOBBY VERSION sets).