Ronda Rousey sinks brutal arm bar. SF Challengers 20 quick results

Main Card:

Lumumba Sayers def. Antwain Britt via knockout (punches) – Round 1, 0:28

Ronda Rousey def. Julia Budd via submission (armbar) – Round 1, 0:39

Adlan Amagov def. Anthony Smith via knokcout (punches) – Round 1, 2:32

Trevor Smith def. T.J. Cook via submission (guillotine choke) – Round 1, 4:28

Derek Brunson def. Nate James via unanimous decision (30-27, 30-27, 30-27)

Prelim Card:

Matt Ricehouse def. Bill Cooper via unanimous decision (29-27, 30-26, 30-26)

Bobby Green def. J.P. Reese via submission (rear-naked choke) – Round 3, 2:25

Quinn Mulhern def. David Hulett via unanimous decision (29-28, 29-28, 29-28)

Andreas Spang def. Willie Parks via TKO (punches) – Round 1, 3:10

Strikeforce Challengers 20

18 November 2011

The Pearl Theater at the Palms Casino Resort

Las Vegas, Nevada

Aired on Showtime.