Strikeforce: Four Men Enter, One Man Survives(2007)

Strikeforce: Four Men Enter, One Man Survives is a mixed martial arts event from November 2007 held at the HP Pavilion in San Jose, California. Streamed live on Yahoo! Sports, the card made history as the first MMA tournament sanctioned by the California State Athletic Commission. Beyond the tournament action, the event also crowned Strikeforce's heavyweight champion in a separate non-tournament bout. The night showcased emerging talent in the promotion's early years, blending tournament drama with championship stakes in a single card that proved significant for California's combat sports regulation.