August 12th, 2009 release date.

From Planet Xbox 360:

"Madden NFL 09 introduces 85 new features and enhancements, including the ability to adapt gameplay to the player’s skill level. Whether you are a veteran Madden NFL player or a newcomer to the game, everyone can have an enjoyable and competitive gaming experience. Madden NFL 09 will also feature a network-inspired broadcast presentation highlighted by the commentary team of Cris Collinsworth and Tom Hammond. The game also features online leagues, allowing players to take their rivalries online and compete in leagues with fans from around the country."