A lightweight division contest has been added to the ever growing UFC On Fox IX card as Cody McKenzie faces Sam Stout. McKenzie will be returning to the lightweight division after a short run as a featherweight in the UFC, where he went 1-1-0. Stout has rotated wins and losses in his last six UFC bouts, with his last fight being a loss to James Krause at UFC 161. UFC On Fox IX takes place on December 14th from the Sleep Train Arena in Sacramento, California with Anthony Pettis and Josh Thomson headlining.