UFC superstar Conor McGregor challenged long-time rival Dustin Poirier to a charity MMA fight, and “The Diamond” has issued his response. McGregor has been in the news this weekend after he released text messages of a private conversation he had with UFC president Dana White earlier this year regarding a potential fight with Diego Sanchez. … Continue reading Conor McGregor challenges Dustin Poirier to charity MMA fight in Ireland, “The Diamond” responds