World Heavyweight Champion Alistair "The Demolition Man" Overeem (32-11) will make his highly anticipated return to action against heavy-handed knockout artist Brett "The Grim" Rogers (10-1) in the main event of a STRIKEFORCE mixed martial arts (MMA) extravaganza at Scottrade Center in St. Louis, Mo., on Saturday, May 15. In another heavyweight confrontation, Andrei "The Pitbull" Arlovski (15-7) will clash with Antonio "Big Foot" Silva (13-2).

DREAM.8 took place on April 5, 2009, at Nippon Gaishi Hall in Nagoya, Japan, promoted by Fighting and Entertainment Group’s DREAM. The main event features Hayato "Mach" Sakurai facing Shinya Aoki in a welterweight Grand Prix opening round bout, with Sakurai coming off a TKO win over Kuniyoshi Hironaka at DREAM.6 and Aoki fresh from a submission victory over David Gardner at DREAM.7. Other welterweight Grand Prix matchups include Marius Žaromskis vs. Seichi Ikemoto, Jason High vs. Yuya Shirai, and Andre Galvão vs. John Alessio. Additional bouts showcase Sergei Kharitonov vs. Jeff Monson in a heavyweight clash and Riki Fukuda vs. Murilo Rua.

DREAM.10 took place on July 20, 2009, at Saitama Super Arena in Saitama, Japan, promoted by Fighting and Entertainment Group’s DREAM. Key bouts include Paulo Filho vs. Melvin Manhoef in a middleweight clash, Jesse Taylor vs. Dong Sik Yoon, and a lightweight superfight between Katsunori Kikuno and Andre Amado. The card also features Vitor Ribeiro vs. Jason High and a featherweight bout with Joe Warren vs. Norifumi "Kid" Yamamoto.

Strikeforce Challengers: Gurgel vs. Evangelista was a mixed martial arts event held by the Strikeforce. The fourth Challengers episode took place on November 19, 2010, at the Jackson Convention Complex in Jackson, Mississippi.