News Vettori set to face Karl Roberson Milan 9. April, 2020 Vettori (14-3-1 MMA, 4-2-1 UFC) will take on Karl Roberson (9-2 MMA, 4-2 UFC) at UFC on ESPN+ 31 on Apr. 25. Roberson confirmed the matchup on his social media after an initial report from MMA Fighting. Share this post: