LOS ANGELES (April 30, 2010) – Knockout artist “Ruthless” Robbie Lawler (17-5) will collide with former STRIKEFORCE Light Heavyweight (205 pounds) Champion Renato “Babalu” Sobral (35-8) at a catch weight of 195 pounds in the main event when STRIKEFORCE Mixed Martial Arts (MMA) hits Nokia Theatre L.A. LIVE in downtown Los Angeles, Calif. on Wednesday, June 16.