Dustin Poirier

Dustin "The Diamond" Poirier is a retired UFC lightweight fighter with a 30-10 professional record, best known as the only fighter to knock out Conor McGregor in MMA competition. He co-founded The Good Fight Foundation with his wife Jolie in 2018 and now works as a UFC desk analyst. Growing up in poverty in Louisiana without a father figure, he channeled hardship into fighting and became one of the sport's most respected competitors.