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..