The inaugural event was held on February 10, 2007. The event was held by Strikeforce and took place at the San Jose Civic Auditorium in San Jose, California.

Strikeforce: Playboy Mansion was a mixed martial arts event promoted by Strikeforce. The event took place on September 29, 2007 at the Playboy Mansion in Los Angeles, California. The invitation-only event drew nearly 1,000 spectators who paid $1000 per ticket. The event was supervised by the California State Athletic Commission. Fights 5 to 12 were streamed live on Yahoo Sports for free.