Tyron Woodley submitted Rudy Bears in the first round of their matchup on Friday with arm triangle to maintain his undefeated record in the main event of Strikeforce Challengers 5, which took place at Memorial Hall in Kansas City, Kansas.

Also on the Showtime televised main card, Strikeforce newcomer Kerry Vera earned a first round TKO victory over Kim Couture, Bobby Voekler weathered an early storm to defeat Erik Apple with a second round TKO, Rafael “Feijao” Cavalcante bounced back from his previous loss, defeating Aaron Rosa via second round TKO, and Kevin Casey submitted Chad Vance in the opening round.

All 22 fighters who will be in action at Friday’s Strikeforce Challengers 5: Woodley vs. Bears event hit the scales today to weigh-in for their bouts, with the entire Showtime-televised main card, including headliners Tyron Woodley and Rudy Bears and notables Kim Couture and Kerry Vera, successfully making weight.

The event takes place at the Memorial Hall in Kansas City, Kansas and airs live on Showtime at 11pm ET (delayed on west coast).

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.

Shane Del Rosario vs. Jon Murphy and Erik Apple vs. Matt Makowski have been added to the official lineup for EliteXC’s next ShoXC event, which is slated for September 26th at the Chumash Casino in Santa Ynez, California.
ProElite officially announced the bouts on Wednesday.
Additionally, MMA Weekly is reporting that a rumored 140-pound bantamweight championship bout [...]