UFC 280 fight card — Charles Oliveira vs. Islam Makhachev: Five biggest storylines to watch in Las Vegas | CBS Sports Headlines UFC 280 fight card — Charles Oliveira vs. Islam Makhachev: Five biggest storylines to watch in Las Vegas One of the best fight cards of the year is … Continue reading UFC 280 fight card — Charles Oliveira vs. Islam Makhachev: Five biggest storylines to watch in Las Vegas