UFC 135: Jones vs. Rampage was a mixed martial arts event held by the Ultimate Fighting Championship on September 24, 2011, at the Pepsi Center in Denver, Colorado.

UFC president Dana White, in an interview with MMAWeekly.com, says that the company has long been on a course to return to Denver, but they wanted to do it the right way.

[7] Jones' injury was originally thought to keep him out of action until late 2011, but instead, he made his first title defense against Quinton Jackson at this event.

[13] Diego Sanchez was expected to face Matt Hughes, but was forced out of the bout with a broken hand and replaced by Josh Koscheck.

[14] After this fight Matt Hughes was offered a non competitive role in the UFC which resulted in his retirement from MMA.