Relive Strikeforce: Rousey vs. Kaufman's remarkable main event with Ronda Rousey vs. Sarah Kaufman fight highlights, courtesy of Showtime Sports.

Strikeforce: Rousey vs. Kaufman took place August 18, 2012 at the Valley View Casino Center in San Diego, CA. Reigning women's bantamweight champion Ronda Rousey (6-0) defended her belt against former champ Sarah Kaufman (15-2) in the night's main attraction. Check out the video highlights below.

For more on Rousey's decisive victory, check out the (brief) play-by-play from MMA Fighting's Dave Doyle.

Round 1: Herb Dean is your main-event referee. They both fire quick shots and instantly clinch along the fence. Kaufman resists one judo throw, but Rousey takes her down and works for an arm bar. Kaufman is doing her best to roll with it, but she finally taps.

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