Strikeforce heavyweight champ Alistair Overeem, who has yet to fight again for the promotion since winning the title in November 2007, returned to MMA action overseas over the weekend, dominating Tony Sylvester at Ultimate Glory 11 in Amsterdam, Netherlands before finishing the fight with a guillotine choke in just 83-seconds. Overeem will fight again this weekend at DREAM 12 against James Thomson before he’s expected to return to Strikeforce to defend the title.

Read about the latest Strikeforce news after the jump, including additions to “Fedor vs. Rogers”, the main card for Strikeforce Challengers 5, and more.

Previously unbeaten hometown favorite Billy Evangelista lost by disputed, controversial second-round disqualification to Mike Aina Friday in the main event of the inaugural Strikeforce Challengers telecast on SHOWTIME. At the finish, neither fighter was satisfied with the outcome at the Save Mart Center.

Weigh-ins for ShoMMA: Strikeforce Challengers 1, Bellator 7, and MFC 21: Hard Knocks took place on Thursday ahead of tonight's fight cards. Complete weigh-in results, which include notables Bobby Lashley, Trevor Prangley, and Billy Evangelista, are available after the jump.

Kim Couture will take a major step up in competition when she squares off with fearsome submission expert Miesha Tate at SHO MMA: Strikeforce Challengers at Fresno, California’s Save Mart Center on Friday, May 15. In addition, Aaron Rosa will face Anthony Ruiz in a light heavyweight fight.

Mike Russow def. Jason Guida via submission – Round 1, 2:13
Terry Martin def. Daiju Takase via DQ (groin kicks) – Round 2, 3:35
Forrest Petz def. Brian Gassaway via unanimous decision
Bart Palaszewski def. Jeff Cox via KO – Round 2, 3:07
Rory Markham def. Jay Ellis via submission – Round 1, 0:57
Clay French def. Jemeel Massouh via [...]

Jason Guida (241.5) vs. Mike Russow (243.2)
Daiju Takase (185.8) vs. Terry Martin (185.2)
Forrest Petz (173.4) vs. Brian Gassaway (174.1)
Jeff Cox (154.4) vs. Bart Palaszewski (155.7)
Jay Ellis (161.6) vs. Rory Markham (180.1)
Jemeel Massouh (155.4) vs. Clay French (155.4)
Herc Hayes (265) vs. Kerry Schall (258.6)
Aaron Rosa (205.6) vs. Ron Fields (204.8)
Hector Urbina (185.6) vs. Dave Kleczkowski (186.5)
Dom [...]

Adrenaline MMA has released an updated fight card for their inaugural event, scheduled for June 14th at the Sears Centre in Chicago, Illinois.
For the latest Adrenaline MMA rumors check out the MMAFrenzy.com rumors section.
MAIN CARD

Jeff Monson (23-7) vs. Mike Russow (9-1)
Daiju Takase (7-11) vs. Terry Martin (16-4)
Zac George (11-2) vs. Clay French [...]

UFC and PRIDE veteran Jeff Monson (23-7) will face Chicago policeman and PRIDE veteran Mike Russow (9-1) in the main event of Adrenaline MMA’s debut event, set for June 14th at the Sears Centre in Chicago, Illinois.
The promotion officially announced the main event and the entire 13-bout card for the event earlier today.
The event also [...]