Nate Diaz, Sean O'Malley among MMA stars in attendance for Jake Paul vs. Anderson Silva boxing event | CBS Sports Headlines Nate Diaz, Sean O'Malley among MMA stars in attendance for Jake Paul vs. Anderson Silva boxing event Cris Cyborg and former two-division UFC champion Georges St-Pierre were also spotted … Continue reading Nate Diaz, Sean O'Malley among MMA stars in attendance for Jake Paul vs. Anderson Silva boxing event