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. The event drew an estimated 364,000 viewers on Showtime. Event Gilbert Melendez was originally scheduled to fight Josh Thomson before Thomson broke his leg while sparring. Rodrigo Damm was brought in as a replacement instead. Weigh-ins All fighters except Cris Cyborg and Brandon Michaels made their contracted weight during the official weigh-ins on April 10. Cyborg originally weighed in at for her fight with Hitomi Akano and had a few hours to cut down to to get within the allowed disparity. On her second attempt she weighed in at and was cleared to fight. Cyborg was fined 20% of her fight purse by the California State Athletic Commission for not making weight with half of it going to Akano. Brandon Michaels weighed in at , missing the middleweight limit of . His bout with Raul Castillo () was changed to a catchweight bout at , with Michaels also being fined 20% of his purse. Results Reported Payout The following is a list of fighter salaries as provided by the California State Athletic Commission. The figures do not include deductions for items such as insurance, licenses and taxes. Additionally, the figures do not include money paid by sponsors, which can often be a substantial portion of a fighter's income. Gilbert Melendez: $49,890 (no win bonus) def. Rodrigo Damm: $9,190 Nick Diaz: $39,950 ($10,000 win bonus) def. Frank Shamrock: $369,790 Scott Smith: $49,940 ($25,000 win bonus) def. Benji Radach: $16,940 Brett Rogers: $39,940 ($20,000 win bonus) def. Ron "Abongo" Humphrey: $3,205 Cris Cyborg: $18,000 ($10,000 win bonus) def. Hitomi Akano: $1,450 Luke Rockhold: $6,000 ($3,000 win bonus) def. Buck Meredith: $1,540 Eric Lawson: $9,950 ($2,000 win bonus) def. Waylon Kennell: $1,950 Raul Castillo: $7,890 ($3,500 win bonus) def. Brandon Michaels: $1,500 James Terry: $3,940 ($2,000 win bonus) def. Zak Bucia: $1,500 Shingo Kohara: $940 (no win bonus) def. Jeremy Tavares: $940 See also