Japanese kickboxer Tenshin Nasukawa says he "underestimated" Floyd Mayweather but that he had "concerns" before his defeat in an exhibition boxing match yesterday.
American former five‑weight world champion Mayweather, needed only 140 seconds to beat Nasukawa in Tokyo.
Nasukawa, was knocked down three times and ended the fight in tears.
He wrote on Instagram that he is disappointed at himself since he thought he could have done better.
[Source: BBC]
