Dustin Poirier names his toughest challenge at lightweight in UFC – it’s not Conor McGregor, Khabib or champion Charles Oliveira

Dustin Poirier has beaten hard hitting Conor McGregor twice and is on the cusp of fighting for the UFC lightweight title . Yet neither McGregor or the lightweight champion, Charles Oliveira, whom he may meet next, worry him. It’s believed that Poirier, who has also fought Khabib Nurmagomedov, will face McGregor for a fourth time […]