Tenshin Nasukawa In Floods Of Tears After Being Destroyed By Floyd Mayweather

20-year old Tenshin Nasukawa was visibly upset after being destroyed by Floyd Mayweather inside one round at the Rizin 14 event in Tokyo.

Mayweather didn't even train properly for the exhibition fight and spent the first minute dancing and toying with his opponent.

But he didn't come to play and promptly put Nasukawa on the canvas three times in quick succession before the bell tolled for the end of the round.

Nasakuwa's corner threw the towel in and the fight was over before it even got started - Mayweather making millions in just 139 seconds.

But while the result won't go on either fighter's record, you could see how much the unofficial defeat meant to Nasukawa as this was a chance for him to make a name for himself.

To be fair to Mayweather, once he finished dancing, he was pretty humble about the whole thing and praised Nasakuwa.

"It was all about entertainment," the 50- fighter said.

"We had fun. Tokyo, you were amazing, but I'm still retired. We're both still undefeated. Tenshin is still a champion and a great fighter."

In his post-fight presser, Mayweather stressed that despite this one-off exhibition, he plans on remaining on retired - even if we have heard similar before.

Maybe Phil 'The Power' Taylor or Roger Federer can tempt him out of retirement...