Michihiro Omigawa upset Hatsu Hioki on Saturday at Sengoku 11 in Tokyo, Japan, receiving a controversial split decision win in the evening’s main event. Also on the card, Mamed Khalidov extended his unbeaten streak to 18-straight by making quick work of Jorge Santiago, while notables Jorge Masvidal, Akihiro Gono, and Dave Herman also picked up wins.

All 22 fighters set to participate at Saturday’s Sengoku 11th Battle event in Tokyo, Japan successfully made weight earlier today for their bouts. The official weigh-in results for the HDNet-televised event, which is headlined by Hatsu Hioki vs. Michihiro Omigawa, are after the jump.

In this weeks addition of MMAFrenzy.com’s Rising Sun Roundup, our weekly look at the MMA happenings in Japan, we take a look at Takanori Gomi’s “last fight in Japan” as well as the rest of the Vale Tudo Japan card. Also included is a look at the upcoming Sengoku 11 and Dream 12 fight card additions, and more.

UFC middleweight champ Anderson Silva will undergo elbow surgery after all to remove bone spurs and will be sidelined briefly, Mirko “Cro Cop” Filipovic is not retiring following his latest loss and intends to fight at least once more, at a November 7 Strikforce event headlined by Fedor Emelianenko vs. Brett Rogers will take place at the Sears Centre near Chicago.

Read about the latest MMA news in MMAFrenzy.com’s Quick Hits…

World Victory Road today announced additional matchups for Sengoku 5, which takes place on September 28th at the Yoyogi National Gymnasium in Tokyo, Japan.
The opening round of the promotion’s middleweight grand prix is now set as UFC and PRIDE veteran Kazuhiro Nakamura will meet Paul Cahoon in the first round and Jorge Santiago will take [...]

World Victory Road yesterday announced the official fight card for Sengoku 4, which takes place on August 24th at the Saitama Super Arena in Saitama, Japan.
Sengoku 4 features a main event lightweight bout between former PRIDE champion Takanori Gomi and Bang Seung Hwan. The opening round of the promotion’s 2008 lightweight grand prix is also [...]

World Victory Road has announced that it’s middleweight grand prix will start at Sengoku 5 on September 28th at the Yoyogi National Gymnasium in Tokyo, Japan.
Kazuhiro Nakamura, Evangelista Cyborg, Siyar Bahadurzada, and Jorge Santiago are all set to participate in the opening round of the middleweight tournament.
The promotion also announced that Kazuo Takahashi will face [...]

Josh Barnett def. Jeff Monson via unanimous decision
Roger Gracie def. Yuki Kondo via submission – Round 1
Kevin Randleman def. Ryo Kawamura via unanimous decision
Yoshihiro Nakao def. Jim York via KO – Round 2
Jorge Santiago def. Yuki Sasaki via submission – Round 3
Eiji Mitsuoka def. Kwang Hee Lee via submission – Round 1
Mike Pyle def. Dan [...]