McGregor/Mayweather Fight Odds and Free Prediction Time to jump on Mayweather here. The Vegas line opened at 9-1 odds and sucker money has driven it down to 6-1. Let's get something straight: I'm not inclined to ever bet heavy favorites; as a matter of fact, I have yet to bet a MLB favorite about -150 on the money line. Nevertheless, not too many sure things pop up like this either.  For those who are students of the boxing game, it's obvious: Mayweather is as good a technician in the ring as any. The gift that makes him great is his reflexes. Yes, he's 40 and the average speed fighter, especially in the lower weight classes, at that age slows down considerably; however, Mayweather has not taken much time off, lives a healthy lifestyle and stayed in the gym despite his recent layoff. Given his ring experience, foot work and ability to evade punches, Mayweather will remain dangerous August 26th. Let's face it, McGregor took this fight for the money. No sugar coating needed. He...