
The focus on McGregor makes it easy to forget Poirier, but it takes two to fight, and his seven-figure guarantee tells you he’s a serious competitor and not just a dummy for McGregor to pummel.
Poirier, 32, has won six of his last eight fights — a stretch that includes one no-contest and wins over top-echelon fighters like Justin Gaethje and the former featherweight champion Max Holloway. Poirier lost to Khabib Nurmagomedov, but a lot of fighters do that — including McGregor.
In 2014, Poirier lost to McGregor, then a rising U.F.C. star, by first-round knockout. And in 2011, Poirier was featured in “Fightville,” a…