July 17, 2007 From the ARCO Arena in Sacramento, California. The card featured defenses of two UFC champions Middleweight Champion Anderson Silva and Lightweight Champion Sean Sherk, who both won their titles at UFC 64. This action-packed nine-bout card also features a Heavyweight duel between Antonio Rodrigo Nogueira making his UFC debut against Heath Herring and a light heavyweight match between former UFC Champion Tito Ortiz and The Ultimate Fighter 2 heavyweight winner Rashad Evans. Other fighters featured include Hermes Franca, Sean Sherk, Alvin Robinson, Kenny Florian, Chris Lytle, Jason Gilliam, Diego Saraiva, Jorge Gurgel, Mike Nickels and Steven Bonnar.