A huge featherweight division attraction has been added to UFC 178 as Dustin Poirier competes against Conor McGregor. Poirier will enter the fight riding a three fight winning streak, last defeating Akira Corassani at the UFC Ultimate Fighter Nations Finale. McGregor is currently undefeated under the UFC banner, most notably defeating Diego Brandao at UFC Fight Night: McGregor vs. Brandao. UFC 178 takes place on September 27th from a location TBA in Las Vegas, Nevada with Jon Jones and Alexander Gustafsson headlining.