UFC 257 — Conor McGregor vs. Dustin Poirier: Fight card, date, odds, location, PPV start time | CBS Sports Headlines UFC 257 — Conor McGregor vs. Dustin Poirier: Fight card, date, odds, location, PPV start time The sport’s biggest star returns to the Octagon to take on an old foe … Continue reading UFC 257 — Conor McGregor vs. Dustin Poirier: Fight card, date, odds, location, PPV start time