A Las Vegas sportsbook has posted odds on a hypothetical MMA bout between Conor McGregor and Floyd Mayweather that, at this point, seems unlikely to ever take place.
The Westgate SuperBook installed McGregor as a -1,000 favorite Monday over Mayweather, who opened as a +650 underdog. The sportsbook mandates that the fight must be MMA only and take place before Sept. 1, 2019.
http://www.espn.com/chalk/story/_/id...ical-mma-fight