^ For the UFC Heavyweight Championship. Arlovski becomes the Interim Heavyweight champion. The title is an interim championship due to the UFC Heavyweight Champion, Frank Mir, being seriously injured in a motorcycle accident and not able to defend the title against No. 1 contender, Andrei Arlovski.
^ For the UFC Middleweight Championship. Tanner becomes the UFC Middleweight champion filling the vacant title, and the first Middleweight champion since 2002.
^ For the UFC Heavyweight Championship. The UFC decided this match would be for the undisputed UFC Heavyweight title, as former UFC Heavyweight champion Frank Mir, who had been badly injured in a motorcycle accident, was still unable to compete.
UFC Ultimate Fight Night (also known as UFC Fight Night 1) 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.