UFC heavyweight champ Junior Dos Santos talks about defending his title against former champ Cain Velasquez in Las Vegas, December 29..

Main Event:
Jon Jones v Vitor Belfort

Joseph Benavidez v Demetrious Johnson
Michael Bisping v Brian Stann
TJ Grant v Evan Dunham
Matt Hamill v Vladimir Matyushenko
Cub Swanson v Charles Oliveira
Igor Pokrajac v Vinny Magalhaes
Jimy Hettes v Marcus Brimage
Seth Baczynski v Simeon Thoresen
Sean Pierson v Lance Benoist
Mitch Gagnon v Walel Watson
Charlie Brenneman v Kyle Noke

UFC 152: Jones v Belfort at the Air Canada Centre in Toronto, Ontario, Canada, September 22, 2012.

Ronaldo Souza (white shorts) walks away from Derek Brunson after knocking him out during their match at STRIKEFORCE ON SHOWTIME ROUSEY VS. KAUFMAN at Valley View Casino Center in San Diego Saturday, August 18, 2012.(Hans Gutknecht/Staff Photographer)

Main Event Strikeforce Women’s Bantamweight Championship

Ronda Rousey def. Sarah Kaufman via submission (armbar) at 0:54 of round one

Ronaldo Souza def. Derek Brunson via KO at 0:41 of round one

Tarec Saffiedine def. Roger Bowling via unanimous decision

Anthony Smith def. Lumumba Sayers via submission at 3:52 of round one

Ovince St. Preux def. T.J. Cook via KO at 0:20 of round three

Preliminary Card:

Miesha Tate def. Julie Kedzie via submission at 3:28 of round three

Adlan Amagov def. Keith Berry via TKO at 0:48 of round one

Germaine de Randamie def. Hiroko Yamanaka via unanimous decision

Bobby Green def. Matt Ricehouse via unanimous decision

more photos

MAIN EVENT
STRIKEFORCE WOMEN’S BANTAMWEIGHT CHAMPIONSHIP
Sarah Kaufman (134) vs Ronda Rousey (135)

MAIN CARD
Derek Brunson (186) vs “Jacare” Souza (186)
Roger Bowling (170) vs Tarec Saffiedine (169.5)
Anthony Smith (186) vs Lumumba Sayers (185)
T.J. Cook (203) vs Ovince St. Preux (205.5)

SHOWTIME EXTREME PRELIMS
Julie Kedzie (135) vs Miesha Tate (136)
Keith Berry (186) vs Adlan Amagov (186)
Matt Ricehouse (155) vs Bobby Green (155)
Germaine de Randamie (144) vs Hiroko Yamanaka (145)