Rousey working Kaufman's arm over (photo via Esther Lin/ Showtime)

By FCF Staff

Here are the results from tonight’s Strikeforce card in San Diego, which saw women’s bantamweight champion Ronda Rousey tap-out Sarah Kaufman in just 54 seconds with her trademark armbar.

With the win, Rousey moved her record to 6-0. All six of her victories have come via first round armbar. Kaufman’s record now stands at 15-2.

Ronda Rousey def. Sarah Kaufman via submission (armbar) – R1, 0:54
Ronaldo “Jacare” Souza def. Derek Brunson via knockout (punches) – R1, 0:41
Tarec Saffiedine def. Roger Bowling via unanimous decision (30-27, 30-27, 30-27)
Anthony Smith def. Lumumba Sayers via submission (triangle choke) – R1, 3:52
Ovince St. Preux def. T.J. Cook via knockout (punch) – R3, 0:20
Miesha Tate def. Julie Kedzie via submission (armbar) – R3, 3:28
Adlan Amagov def. Keith Berry via TKO (strikes) – R1, 0:48
Germaine de Randamie def. Hiroko Yamanaka via unanimous decision (30-27, 30-27, 30-27)
Bobby Green def. Matt Ricehouse via unanimous decision (30-27, 30-27, 30-27)

A victorious Rousey (photo via Esther Lin / Showtime)

Souza standing over Brunson (photo via Esther Lin / Showtime)

Souza finishing Brunson (photo via Esther Lin / Showtime)

Saffiedine kneeing Bowling (photo via Esther Lin / Showtime)

Smith attempting to choke out Sayers (photo via Esther Lin / Showtime)

St. Preux punching Cook (photo via Esther Lin / Showtime)