Knockout! Conor McGregor vs. Dustin Poirier full fight video highlights from UFC 178

Watch Conor McGregor easily dispose of Dustin Poirier last Sat. night (Sept. 27, 2014) on the pay-per-view (PPV) main card of UFC 178: "Johnson vs. Cariaso" from inside the MGM Grand Garden Arena in Las Vegas, Nevada, to mark his fourth straight win under the ZUFFA banner. Following his "Notorious" win (recap), the Irishman put the winner of Jose Aldo vs. Chad Mendes (at UFC 179) on blast and there is talk of a possible title shot (see why here). For full UFC 178 results and play-by-play click here.