UFC Fight Night 1: Marquardt vs. Salaverry was an event held on August 6, 2005 at the Cox Pavilion in Las Vegas, Nevada. The event, aired on Spike, was the first UFC Fight Night event.

UFC Fight Night 1: Marquardt vs. Salaverry

UFC Fight Night 3: Sylvia vs. Silva was a mixed martial arts event held by the Ultimate Fighting Championship on January 16, 2006. The event took place at the Hard Rock Hotel and Casino in Las Vegas, Nevada, and was broadcast live on Spike TV in the United States and Canada. The main event between Tim Sylvia and Assuerio Silva was touted as a match to determine the next contender for the UFC Heavyweight Championship, then held by Andrei Arlovski.