Strikeforce: Diaz Vs Santos Results

• Welterweight Championship bout: Nick Diaz (c) vs. Evangelista Santos

Diaz defeats Santos via submission (armbar) at 4:50 of round 2 to retain the Strikeforce Welterweight Championship.

• Middleweight Championship bout: Ronaldo Souza (c) vs. Robbie Lawler

Souza defeated Lawler via submission (rear naked choke) at 2:00 of round 3 to retain the Strikeforce Middleweight Championship.

• Heavyweight bout: Herschel Walker vs. Scott Carson

Walker defeated Carson via TKO (strikes) at 3:13 of round 1.

• Light Heavyweight bout: Roger Gracie vs. Trevor Prangley

Gracie defeated Prangley via submission (rear naked choke) at 4:19 of round 1.