Strikeforce World Welterweight Champion Nick Diaz will make his second title defense when he faces Brazilian powerhouse Evangelista Cyborg in main event action and Strikeforce World Middleweight Champion Jacare Souza will put his belt on the line for the first time when he squares off with power-punching knockout artist "Ruthless" Robbie Lawler in the co-main event of a stacked Mixed Martial Arts (MMA) fight card at HP Pavilion in San Jose, Calif., live on SHOWTIME® (10 p.m. ET/PT, delayed on the west coast).-500 +300 WW title
Strikeforce: Diaz vs. Cyborg coverage