UFC 257: Conor McGregor, Dustin Poirier predicted as most likely to end 2021 as lightweight champion | CBS Sports Headlines UFC 257: Conor McGregor, Dustin Poirier predicted as most likely to end 2021 as lightweight champion Assuming Khabib Nurmagomedov remains in retirement, one of these six fighters is likely to … Continue reading UFC 257: Conor McGregor, Dustin Poirier predicted as most likely to end 2021 as lightweight champion