Renato Moicano and Chris Duncan may be teammates, but a spot in the UFC lightweight rankings is a valuable enough prize for them to put that relationship aside and meet in the main event of Saturday's...

Teammates put their loyalties aside at UFC Fight Night in Las Vegas.

Duncan is out to extend a 6-1 UFC record against the former Lightweight title challenger coming off his own back-to-back defeats to Islam Makhachev and Beneil Dariush last year.