UFC 138: Leben vs. Muñoz was a mixed martial arts event held by the Ultimate Fighting Championship on November 5, 2011 at LG Arena in Birmingham, United Kingdom. The event aired on the same day, via tape delay, on Spike TV in the United States and live on Sportsnet in Canada. The event was the second that the UFC has hosted in Birmingham, the first was UFC 89 back in 2008 also featuring Chris Leben in the main event. The main event was the first non-title five round fight in the history of the UFC.

UFC 138: Leben vs. Muñoz

UFC 145: Jones vs. Evans was a mixed martial arts event held by Ultimate Fighting Championship on April 21, 2012 at the Philips Arena in Atlanta, Georgia. The headline fight at UFC 145 was a UFC Light Heavyweight Championship contest between champion Jon Jones and challenger Rashad Evans. Jones and Evans are former teammates at Jackson's MMA, under the tutelage of coach Greg Jackson.