Electronic Arts, GameStop and Virgin Gaming have announced for Madden NFL 12 players the "Battle of the Gridiron" tournament with more than $100,000 in prizes. The tournament will kick off on September. 11, 2011 and runs through October 16, 2011. Players who pre-order or purchase Madden NFL 12 from GameStop and register for entry between August 30, 2011 and September 18, 2011 will be able to compete in the online tournament powered by Virgin Gaming. Check full story for details - two new videos are now locally mirrored.