Floyd Mayweather

Bookies will take a Bath if McGregor Knocks Out Mayweather

If Conor McGregor manages to knock out Floyd Mayweather Jr., Las Vegas bookmakers will suffer the biggest single event loss in the history of sports betting. McGregor fans are flooding casinos with small bets on the longshot mixed martial artist. He makes his pro boxing debut Saturday night against Mayweather, who is 49-0 and considered the best defensive fighter of…