Strikeforce: Four Men Enter, One Man Survives was a mixed martial arts event held at the HP Pavilion in San Jose, California on November 16, 2007. The event was hosted by Strikeforce in conjunction with bodogFight, and was streamed live on Yahoo! Sports. The event held two distinctions in that: 1) it contained the first MMA tournament sanctioned by the California State Athletic Commission and 2) Strikeforce's heavyweight champion was determined during the event in a non-tournament fight.

Strikeforce: Revenge was the second mixed martial arts event promoted by Strikeforce. The event took place at the HP Pavilion at San Jose in San Jose, California on June 9, 2006. The main event featured the North American debut of Alistair Overeem.

Strikeforce: Shamrock vs. Le was a mixed martial arts event co-promoted by Strikeforce and EliteXC. The event took place on Saturday, March 29, 2008 at the HP Pavilion in San Jose, California. The main card aired live on the Showtime premium cable channel. The event originally featured the anticipated Gilbert Melendez vs. Josh Thomson, but it was called off because Thomson injured himself training. Nick Diaz was also scheduled to fight but was pulled from the card due to undisclosed reasons. Referees assigned for the event were Mario Yamasaki, Herb Dean and Jon Schorle.

Strikeforce: Shamrock vs. Baroni was a mixed martial arts event co-promoted by Strikeforce and EliteXC. The event took place on Friday, June 22, 2007 at the HP Pavilion in San Jose, California. The main card aired on pay-per-view, with the undercard streamed live on ProElite.com. The PPV event was rebroadcast on the Showtime premium cable channel on June 30, 2007.

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.

Strikeforce: Tank vs. Buentello was a mixed martial arts event held on October 7 2006. The event was held by Strikeforce and took place at the Save Mart Center in Fresno, California. This event featured the debut of future UFC Heavyweight Champion Cain Velasquez.

Strikeforce: At The Mansion II was a mixed martial arts event held on September 20, 2008. The event took place at the Playboy Mansion in Beverly Hills, California. In addition to the event, all guests were entitled to a top-shelf, open bar; buffet-style, gourmet dinner; and wine-tasting party featuring the spirits of various California gold medal wineries.

Strikeforce Challengers: Johnson vs. Mahe was a mixed martial arts event held by the Strikeforce. The seventh Challengers episode took place on March 26, 2010, at the Save Mart Center in Fresno, California.[2] The event drew an estimated 316,000 viewers on Showtime.

Strikeforce: Destruction was a mixed martial arts event held on November 21 2008. The event was held by Strikeforce and took place at the HP Pavilion at San Jose in San Jose, California. This event aired live and free on HDNet.