Once rivals, Anthony Pettis and Cowboy Cerrone train together

 Relaxed intensity with @showtimepettis @thefoxidentityA photo posted by Donald Cerrone (@cowboycerrone) on Mar 29, 2016 at 11:22am PDTFormer lightweight champion Anthony Pettis and Donald "Cowboy" Cerrone haven't always seen eye-to-eye. The rivalry has spanned two organizations - UFC and WEC - and was mainly borne out of the desire to be the best at 155 pounds. But recently, the two top contenders appear to be getting along. After spending time together at a recent USO event, Pettis and Co