recurring back injury. Strikeforce Riggs lost to Cory Devela via submission in his Strikeforce debut at Strikeforce: At The Dome. Riggs was to return to action on Strikeforce: Melendez vs. Thomson, facing Jiujitsu specialist Luke Stewart. Riggs stepped in as a late replacement for Shonie Carter, who was injured in training. The fight was to be contested at a catchweight of 178 pounds. However, he was denied licensure by the California State Athletic Commission after disclosing his recent use of prescription medication during the licensing process. Riggs lost to Kazuo Misaki at Strikeforce at the Playboy Mansion via controversial stoppage on September 20, 2008. Riggs won his next fight at Strikeforce: Destruction on November 21, 2008, against Luke Stewart by TKO (Punches) in 2nd round 2:05. Riggs broke his hand throwing the first punch of the bout, but managed to rally in the second round, breaking Stewart's nose in the process. Riggs next fought on the Strikeforce: Lawler vs. Shields card from the Scottrade Center in St. Louis, MO on June 6, 2009, against Phil "The New York Badass" Baroni in a three-round welterweight bout that won him the interim Strike Force Welter Weight title and that was broadcast live on the Showtime cable network. In a performance that featured his versatile standup game, including several flying knees, Riggs won a unanimous decision over Baroni. In his next fight, Riggs faced Jay Hieron on January 30, 2010, at Strikeforce: Miami. Riggs lost the fight via unanimous decision. In the main event of Strikeforce Challengers: Riggs vs. Taylor, Riggs faced up and coming Middleweight Louis Taylor. "Diesel" won by submission due to strikes in the third round. On December 9, 2010, it was announced that Riggs has parted ways with Strikeforce. Bellator About a month later, on January 10, 2011, Riggs signed with Bellator to fight in its Middleweight division. Riggs made his Bellator debut against Season 2 Middleweight Tournament Finalist Bryan Baker at Bellator 43. After a back and forth fight, Baker knocked Riggs out with a left hook late in the second round. Independent promotions Three months after his knockout loss to Baker at Bellator 43, In a rematch from their bout in 2004 Riggs fought The Ultimate Fighter 3 winner and fellow UFC veteran Kendall Grove. Grove quickly defeated Riggs by submission due to a guillotine choke, Thus avenging his previous loss to Riggs. For the first time