UFC Fight Night 7: Sanchez vs. Riggs was a mixed martial arts event held by the Ultimate Fighting Championship on December 13, 2006 at the MCAS Miramar near San Diego, California. The audience almost entirely comprised of US Marines. Diego Sanchez continues his run up the welterweight ranks.

UFC Fight Night 7: Sanchez vs. Riggs

UFC 70 was the second UFC event held in the United Kingdom, and the first in Manchester. The first UFC event in the UK was UFC 38: Brawl at the Hall on July 13, 2002. UFC 70 was also only the seventh UFC event held outside the United States, and the first since UFC 38. 2006 PRIDE Open-Weight Grand Prix Champion, Mirko Cro Cop fought Heavyweight contender Gabriel Gonzaga in the main event to determine the top contender for the UFC Heavyweight Championship held by Randy Couture.