Legendary Georgia Bulldog and Heisman Trophy winner Herschel Walker (1-0) returns to MMA action when he faces veteran Scott Carson (4-1) at Strikeforce: Diaz vs Cyborg, live from the HP Pavilion in San Jose and airing on Showtime. The Goal Line Stalker was originally scheduled to face Carson earlier this month in St. Louis, but was forced off the card after suffering a deep facial laceration in training with 2008 US Olympic wrestling captain Daniel Cormier. Walker won his professional debut last January. Headlining the event are a pair of championship bouts, setting this up as one of the biggest MMA cards for the first half of 2011. Main Card Welterweight Championship bout: Nick Diaz vs. Evangelista "Cyborg" Santos Middleweight Championship bout: Ronaldo "Jacare" Souza vs. Robbie Lawler Heavyweight bout: Herschel Walker vs. Scott Carson Light Heavyweight bout: Roger Gracie vs. Trevor Prangley