Strikeforce was an American mixed martial arts organization. It crowned male champions in the lightweight, welterweight, middleweight, light heavyweight and heavyweight divisions, and female champions in featherweight and bantamweight.
206 pounds (93 kg) to 265 pounds (120 kg)
1. def. Brett Rogers at Strikeforce: Heavy Artillery on May 15, 2010 in St.Louis, Missouri, USA
186 pounds (84 kg) to 205 pounds (93 kg)
1. def. Anthony Ruiz at Strikeforce: Melendez vs. Thomson on Jun 27, 2008 in San Jose, CA, USA
171 pounds (78 kg) to 185 pounds (84 kg)
1. def. Dan Henderson at Strikeforce: Nashville on Apr 17, 2010 in Nashville, TN, USA
1. def. Robbie Lawler at Strikeforce: Diaz vs. Cyborg on Jan 29, 2011 in San Jose, CA, USA
1. def. Keith Jardine at Strikeforce: Rockhold vs. Jardine on Jan 7, 2012 in Las Vegas, NV, USA
2. def. Tim Kennedy at Strikeforce: Rockhold vs. Kennedy on Jul 14, 2012 in Portland, OR, USA
156 pounds (71 kg) to 170 pounds (77 kg)
1. def. K.J. Noons at Strikeforce: Diaz vs. Noons II on Oct 9, 2010 in San Jose, CA, USA
2. def. Evangelista Santos at Strikeforce: Diaz vs. Cyborg on Jan 29, 2011 in San Jose, CA, USA
3. def. Paul Daley at Strikeforce: Diaz vs. Daley on Apr 9, 2011 in San Diego, CA, USA