Strikeforce World Grand Prix Quarter-Finals: Overeem vs. Werdum, also known as Strikeforce: Dallas, was a mixed martial arts event held by Strikeforce. The event took place on June 18, 2011 at the American Airlines Center in Dallas, Texas. The main card aired on Showtime while the preliminary card aired on HDNet.

Strikeforce Challengers 18: Gurgel vs. Duarte was a mixed martial arts event held by the Strikeforce. The eighteenth Challengers episode took place on August 12, 2011 at Palms Casino Resort in Las Vegas, Nevada.

Bellator 106 will be Bellator's first ever Pay-Per View event and is expected to be headlined by a Light Heavyweight bout between perennial contenders Tito Ortiz and Quinton Jackson who will be making their promotional debuts.