May 30, 2015; Goiania, GO, Brazil; Damon Jackson during his fight with Rony Jason Mariano during UFC Fight Night at Goiania Arena. Mandatory Credit: Jason Silva-USA TODAY Sports May 30, 2015; Goiania, GO, Brazil; Damon Jackson before his fight with Rony Jason Mariano during UFC Fight Night at Goiania Arena. Mandatory Credit: Jason Silva-USA TODAY Sports May 30, 2015; Goiania, GO, Brazil; Rony Jason Mariano (red gloves) fights Damon Jackson (blue gloves) during UFC Fight Night at Goiania Arena. Mandatory Credit: Jason Silva-USA TODAY Sports May 30, 2015; Goiania, GO, Brazil; Rony Jason Mariano (red gloves) fights Damon Jackson (blue gloves) during UFC Fight Night at Goiania Arena. Mandatory Credit: Jason Silva-USA TODAY Sports August 30, 2014; Sacramento, CA, USA; Damon Jackson (blue gloves) fights Yancy Medeiros (red gloves) during the lightweight bout of UFC 177 at Sleep Train Arena