Strikeforce Challengers 20: Britt vs. Sayers was a mixed martial arts event held by the Strikeforce. The fourteenth Challengers episode took place on November 18, 2011 at Palms Casino Resort in Las Vegas, Nevada.
Strikeforce: Tate vs. Rousey was a mixed martial arts event that was held by Strikeforce. It took place on March 3, 2012 at the Nationwide Arena in Columbus, Ohio, United States. The event was the second that the organization had hosted in the state of Ohio and coincided with the Arnold Sports Festival, which annually draws up to 150,000 sports fans.
Strikeforce: Rousey vs. Kaufman, which is headlined by the Strikeforce women’s bantamweight championship bout between Ronda Rousey and Sarah Kaufman, and the middleweight bout between Ronaldo “Jacare” Souza and Derek Brunson, airs on Showtime from the Valley View Casino Center in San Diego, California.
