The card takes place January 25 from Chicago and the United Center, with Benson Henderson meeting Josh Thomson in the main event.
Pettis (10-0) is the younger brother of UFC lightweight champion Anthony Pettis and is coming off a decision win over Will Campuzano in November in his Octagon debut.
Caceres (9-5) hasn’t lost in his last four fights, winning three and having one decision changed to a no-contest after a failed drug test. The Ultimate Fighter alum has gone 4-3 since joining the UFC with the one no-contest.
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