Floyd Mayweather takes a swing at his 'haters' in 15-second...

Floyd Mayweather takes a swing at his 'haters' in 15-second Instagram video showing off his diamond watches, super-cars, mansions... and twerking models Floyd Mayweather has taken a very public swipe at his 'haters' ahead of his fight-of-the-century bout with Manny Pacquiao next month. The 38-year-old boxer has shared a video flaunting his diamond-encrusted watches, fleet of super-cars and carpets of cash on his Instagram account.

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