The official Website for UFC 2009: Undisputed, with CAF's, Strategy Guides and Tips, Videos, Screenshots, Community, MMA fighter information, and more from [sAc].
Free forum : UFC and EA MMA video game competitions. Competitors will be able to form camps and compete in CAF, Stock, K-1, and Muay Thai competitions.
Ultimate Fighting Association, Where All Elite Gamers Unite!
Free forum : Online Fighting Championship80 fighters (just UFC no CaF or DLC)