Basically the consensus here is that putting him up against GGG and promoting it as "Mayweather's most dangerous opponent yet" wouldn't be any different then putting him up against Thurman under the same guise. I think Mayweather beats both but is more likely to take truly punishing shots against GGG. Putting him against GGG is like Rocky vs Drago or trying to beat that dude at the end of Fight Night Champion . . It would be a great notch under his belt though, but personally I'd rather see him take Kell Brook's belt and snatch someone else's zero before retiring after a 50th fight next year. I believe him acting like he's retiring at 49 and 0 is just a marketing ploy for the next fight. Too much money will be on the table for the 50th fight, not just the number and it truly being his final fight but because he would actually be free to negotiate a new deal and with in-roads made on network television Mayweather Promotions and Al Haymon could make a lot of money with a prime time event of Super Bowl proportions