UFC 257 start time — Conor McGregor vs. Dustin Poirier: Live stream, PPV price, fight card, prelims, TV | CBS Sports Headlines UFC 257 start time — Conor McGregor vs. Dustin Poirier: Live stream, PPV price, fight card, prelims, TV Here’s everything you need to know to catch the UFC … Continue reading UFC 257 start time — Conor McGregor vs. Dustin Poirier: Live stream, PPV price, fight card, prelims, TV