Conor McGregor has poked fun at old rival Floyd Mayweather for appearing in a window-glazing advert on British television.McGregor swapped the Octagon for the boxing ring in August 2017 to face Mayweather, who came out on top in their lucrative crossover bout via 10th-round stoppage.Despite suffering defeat that night, the UFC superstar has continued to goad his former opponent in the four years that have followed, recently hitting out at his decision to face YouTuber Logan Paul in an exhibition bout this weekend.And now McGregor has taunted Mayweather on social media again, uploading footage of him starring in an advert for a UK window-glazing company.Along with the clip of Mayweather flogging the windows, he sarcastically posted on.
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