24 packs per box, 5 cards per pack
Baseball Heroes is also one of the 2008 Upper Deck-produced baseball releases that feature the Yankee Stadium Legacy insert cards (1:4 packs, on average). Regarded as the largest insert set ever created, each of the 6,500 cards represents a game played at Yankee Stadium to commemorate the stadium's farewell season . Be sure to look for randomly inserted Yankee Stadium Legacy memorabilia and buyback cards!
