Paddy Power announced their decision earlier this week and have paid punters who backed Mayweather for victory over the two-weight UFC title holder.
God believes in me, America believes in me, even the Irish believe in ????☘️ pic.twitter.com/0W6jFFfr6B
— Floyd Mayweather (@FloydMayweather) August 24, 2017
The move came with some shock when first announced and has led to a flood of rivals offering massive odds to new customers for a McGregor win.
Mayweather, despite being 40 years old and on the back of a two-year absence, is being gambled on to score a first (bona-fide) career knockout in a decade.