Strikeforce presents Shamrock vs. Diaz - April 11 - HP Pavilion

Mixed martial arts is coming back to HP Pavilion at San Jose Three-time world champion and legend, Frank Shamrock, (23-9-2) will make his highly-anticipated return to the cage when he squares off with fellow knockout artist Nick Diaz (18-7) in the main event of Strikeforce's first mixed martial arts (MMA) event of the year at San Jose, California's HP Pavilion on Saturday, April 11th.