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THQ Wireless is proud to present MLB Slam! 2004. MLB Slam! 2004 is officially licensed by the MLB and MLBPA. The game features 30 teams with 570 players. With updated 2004 season rosters and four modes of play, this is the most authentic baseball experience ever created for mobile phones. Manage your own big league team by selecting starting lineups that include pinch hitters and relief pitchers from rosters of real professional players.