is a defunct Japanese Mixed Martial Arts (MMA) organization operated by Greatest Common Multiple (GCM) Communication.
Yushin Okami, Eiji Mitsuoka, Kuniyoshi Hironaka and Keita Nakamura experienced a cage match in D.O.G before contract with UFC.
Artur Oumakhanov defeated Kotetsu Boku via Split Decision and Won Cage Force lightweight Championship.
Yuji Hoshino defeated Akiyo Nishiura via Unanimous Decision and Won Cage Force Featherweight Championship.
Takeya Mizugaki defeated Masahiro Oishi by TKO and Won Cage Force Bantamweight Championship.
Katsuya Inoue at Cage Force EX Eastern Bound on February 28, 2009 ^ 1: Taiyo Nakahara was set to face Takeya Mizugaki in the semifinal round of the Bantamweight tournament.