Dustin Poirier
Dustin Poirier Nickname "The Diamond" (born January 19, 1989 in Lafayette, Louisiana ) is an American professional mixed martial artist who currently competes in the Featherweight and Lightweight division of the Ultimate Fighting Championship. He is a former Interim UFC Lightweight Champion (One time).  In the lightweight division, he holds notable wins over former UFC champions Anthony Pettis, Eddie Alvarez, and Conor McGregor.