And Still. Charles Oliveira remains the undisputed UFC lightweight champion — submitting the former interim gold holder and challenger, Dustin Poirier in the third round with a standing rear-naked choke to round out the UFC 269 card in Las Vegas, Nevada.

Some substantial bodywork in the first round from Oliveira, however, the Brazilian appears to be struggling with the power output from the challenger, Poirier, Incredibly close opening round.

A hugely dominant second frame from Oliveira, who secures a position in Poirier’s closed guard via a scramble — where he rides out four minutes and lands a series of elbows as the challenger remains closed from the bottom.

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Early in the third round, Oliveira manages to leap on the back of Poirier at the fence, before securing both hooks. After hand fighting with the Lafayette native for some time, Oliveira eventually locks up a standing rear-naked choke to submit Poirier and successfully secure the first defense of his lightweight crown.

Below, catch the highlights from Charles Oliveira’s submission win over Dustin Poirier

Aspiring mixed martial arts reporter based in Ireland. Follow along at @Ross_Markey on Twitter for all the latest news, fight announcements, opinion, and feature pieces.