Getty Ilia Topuria, Justin Gaethje Before they exchange blows inside the Octagon at UFC Freedom 250 , Ilia Topuria and Justin Gaethje traded insults on social media. Topuria, the UFC lightweight champion, and Gaethje, the interim UFC lightweight champion, meet in the main event of the UFC White House card this Sunday in Washington, D.C. For the most part, in the lead-up to this lightweight title unification bout, things were friendly between the two fighters. But after Gaethje made a comment