UFC 152 Results: Jon Jones def. Vitor Belfort via submission at 1:03 of Round 4.

UFC 152 Results: Demetrious Johnson def. Joseph Benavidez via split decision (48-47, 47-48, 49-46).

UFC 152 Results: Michael Bisping def. Brian Stann via unanimous decision (29-28 x3).

UFC 152 Results: Matt Hamill def. Roger Hollett via unanimous decision (30-27 x2, and 29-28).

UFC 152 Results: Cub Swanson def. Charles Oliveira via KO at of 2:40 Round 1.

UFC 152 Results: Vinny Magalhaes def. Igor Pokrajac via submission (triangle) at 1:14 of Round 2.

UFC 152 Results: T.J. Grant def. Evan Dunham via unanimous decision (29-28, 30-27, 29-28).

UFC 152 Results: Sean Pierson def. Lance Benoist via unanimous decision (29-28, 29-28, 29-28).

UFC 152 Results: Marcus Brimage def. Jim Hettes via unanimous decision (29-28, 29-28, 29-28).

UFC 152 Results: Seth Baczynski def. Simeon Thoresen via KO at 4:10 of Round 1.

UFC 152 Results: Mitch Gagnon def. Walel Watson via submission (rear-naked choke) at 1:09 of Round 1.

UFC 152 Results: Kyle Noke def. Charlie Brenneman via TKO (strikes) at 0:45 of Round 1.

UFC 152: Jones vs. Belfort will take place Sept. 22, 2012 from the Air Canada Centre in Toronto, Ontario, Canada.

UFC heavyweight champion Junior dos Santos was set to make the second defense of his title in a rematch against former champion Cain Velasquez. Dos Santos first captured his title with a first round knockout victory over Velasquez during their bout at UFC on Fox in November of 2011.

The title fight was cancelled after UFC President Dana White announced that that it would not likely take place at UFC 152 in Toronto.