Strikeforce Overeem vs. Werdum results:

Strikeforce Overeem vs. Werdum results: Alistair Overeem defeats Fabricio Werdum via unanimous decision (29-28, 30-27, 30-27)/

Strikeforce Overeem vs. Werdum results: Josh Barnett defeats Brett Rogers by submission (head and arm triangle) at 1:17 of round 2.

Strikeforce Overeem vs. Werdum results: Jorge Masvidal defeats K.J. Noons by unanimous decision (30-27, 30-27, 30-27).

Strikeforce Overeem vs. Werdum results: Daniel Cormier defeats Jeff Monson by unanimous decision (30-27, 30-27, 30-27).

Strikeforce Overeem vs. Werdum results: Chad Griggs defeats Valtentijn Overeem by TKO (strikes, ref stoppage) 2:08 of round 1.

Strikeforce Overeem vs. Werdum results: the fight is stopped at .31 of round 2. The bout ends in a no decision.

Strikeforce Overeem vs. Werdum results: Conor Heun defeats Magno Almeida by unanimous decision (29-28, 29-28, 29-28).

Strikeforce Overem vs. Werdum results: Nah-shon Burrell defeats Joe Ray by unanimous decision (29-28, 29-28, 29-28).

Isaac Vallie-Flagg defeats Brian Melancon by split decision (29-28 Melancon, 29-28 Vallie-Flagg, 29-28 Vallie-Flagg).

The second round of the Strikeforce Heavyweight Grand Prix will take place at American Airlines Center in Dallas Jun. 18. K-1 World Grand Prix and Strikeforce heavyweight champion Alistair Overeem will face the only man ever to defeat Fedor Emelianenko, Fabricio Werdum.

Josh Barnett, the youngest man ever to win the UFC heavyweight championship, will lock horns with Strikeforce heavyweight contender Brett Rogers live on Showtime.

A fight between former Strikeforce women's champion Gina Carano and Sarah D'Alelio has been cancelled after Carano failed to receive medical clearance.