This ones for the hardcores. Time to put the Strikeforce brand to bed, as we witness the final event tonight live from Oklahoma City. Watch as newly crowned welterweight champ Nate Marquardt looks to defend against contender Tarec Saffeidine. Also on the card is Heavyweight Grand Prix winner and Olympian Daniel Cormier fulfilling his obligation to Strikeforce with his final bout for the organization against Blackzillian newcomer (to the U.S.) Dion Staring.

Main Card (Showtime 10PM ET)

Strikeforce Welterweight Title Fight: Nate Marquardt (c) vs. Tarec Saffiedine
Tarec Saffiedine defeats Nate Marquardt by unanimous decision (48-47, 49-46, 49-46)

Daniel Cormier vs. Dion Staring
Daniel Cormier defeats Dion Staring via TKO (punches) – Round 2, 4:02

Josh Barnett vs. Nandor Guelmino
Josh Barnett defeats Nandor Guelmino via submission (arm triangle) – Round 1, 2:11

Mike Kyle vs. Gegard Mousasi
Gegard Mousasi defeats Mike Kyle via submission (rear-naked choke) – Round 1, 4:09

Ed Herman vs. Ronaldo Souza
Ronaldo Souza defeats Ed Herman via submission (kimura) – Round 1, 3:10

Preliminary Card (Showtime Extreme 8PM ET)
Ryan Couture vs. KJ Noons
Ryan Couture defeats KJ Noons via split decision (29-28, 27-30, 29-28)

Tim Kennedy vs. Trevor Smith
Tim Kennedy defeats Trevor Smith via submission (guillotine choke) – Round 3, 1:36

Pat Healy vs. Kurt Holobaugh
Pat Healy defeats Kurt Holobaugh via unanimous decision (29-28, 30-27, 30-27)

Roger Gracie vs. Anthony Smith
Roger Gracie defeats Anthony Smith via submission (arm-triangle choke) – Round 2, 3:16

Preliminary Card (Untelevised 7PM ET)

Jorge Gurgel vs. Adriano Martins
Adriano Martins defeats Jorge Gurgel via unanimous decision (29-28, 29-28, 30-27)

Michael Bravo vs. Estevan Payan
Estevan Payan defeats Michael Bravo via TKO (strikes) – Round 2, 4:01