Main card: Nick Diaz (169.5) vs. Evangelista "Cyborg" Santos (169.5) [WW title] Ronaldo "Jacare" Souza (184.25) vs. Robbie Lawler (184) [MW title] Herschel Walker (220.75) vs. Scott Carson (214) Roger Gracie (206) vs. Trevor Prangley (205.25) "Strikeforce: Diaz vs. Cyborg" weigh-in results via Bloodyelbow.com