Conor's choices: Defend UFC belt, box again, or Diaz III?

Las Vegas • Conor McGregor was exhausted and hurt by the 10th round, his audacious venture undone by every logical problem with a mixed martial artist entering a professional boxing ring for the first time to take on the most accomplished boxer of recent years.Yet the Irishman lasted longer and fought more competitively against Floyd Mayweather Jr. than just about anyone expected. McGregor was gracious and analytical afterward, but he was bothered by one aspect of his defeat: Referee Robert