Leonardo Augusto Guimarães

UFC Fight Night 83: Cowboy vs. Cowboy was a mixed martial arts event held on February 21, 2016, at the Consol Energy Center in Pittsburgh, Pennsylvania. The event was headlined by a welterweight bout between former UFC Lightweight Championship challenger Donald Cerrone and Alex Oliveira.

UFC Fight Night 94: Poirier vs. Johnson was a mixed martial arts event produced by the Ultimate Fighting Championship held on September 17, 2016, at State Farm Arena in Hidalgo, Texas. A lightweight bout between Dustin Poirier and Michael Johnson served as the event headliner.