Strikeforce: Rousey vs. Kaufman Weigh-ins (Video) The MMA Corner Staff August 17, 2012 Events, Video On Friday, Aug. 17, Strikeforce will host the weigh-ins for Strikeforce: Rousey vs. Kaufman from the Valley View Casino Center in San Diego. The Aug. 18 event takes place from the same venue. The main card will air live on Showtime beginning at 10 p.m. ET. The preliminary card will be shown on Showtime Extreme starting at 8 p.m. ET. The event is headlined by Ronda Rousey and Sarah Kaufman. The pair compete for Rousey’s bantamweight belt, which was previously held by Kaufman. Also on the card, former middleweight champion Ronaldo “Jacare” Souza battles Derek Brunson. Souza is looking for another shot at Luke Rockhold, the man who took his belt. A full stream of the action will begin at 7 p.m. ET. The entire Strikeforce: ‘Rousey vs. Kaufman’ fight card: Main Card Ronda Rousey vs. Sarah Kaufman (for bantamweight title) Ronaldo “Jacare” Souza vs. Derek Brunson Roger Bowling vs. Tarec Saffiedine Lumumba Sayers vs. Anthony Smith Ovince St. Preux vs. T.J. CookPreliminary Card Miesha Tate vs. Julie Kedzie Bobby Green vs. Matt Ricehouse Adlan Amagov vs. Keith Berry Germaine de Randamie vs. Hiroko Yamanaka Photo: Ronda Rousey (Damon Martin/MMA Weekly)