Strikeforce: Shamrock vs. Diaz was a mixed martial arts event held by Strikeforce on April 11, 2009 at the HP Pavilion in San Jose, California. It was the first event promoted by Strikeforce after their acquisition of assets from the defunct EliteXC promotion through its parent company ProElite. It aired on the Showtime cable network and online through Strikeforce All Access.Gus Johnson, Mauro Ranallo and Pat Miletich were commentating during the broadcast and Jimmy Lennon Jr. was the ring announcer. The official attendance was announced to be 14,409.
An ex-Marine haunted by a tragic past, Tommy Riordan (Tom Hardy) returns to his hometown of Pittsburgh and enlists his father (Nick Nolte), a recovering alcoholic and his former coach, to train him for an MMA tournament awarding the biggest purse in the history of the sport.
Ex-Federale agent Machete is recruited by the President of the United States for a mission which would be impossible for any mortal man – he must take down a madman revolutionary and an eccentric billionaire arms dealer who has hatched a plan to spread war and anarchy across the planet.
Detective Sergeant Ma Jun, known for dispensing his own brand of justice during arrests, teams up with an undercover cop, Wilson, to try and bring down three merciless Vietnamese brothers running a smuggling ring in the months before mainland China's takeover of Hong Kong.
In a gritty and alternate 1985 the glory days of costumed vigilantes have been brought to a close by a government crackdown, but after one of the masked veterans is brutally murdered an investigation into the killer is initiated.