Floyd Mayweather Exhibition match against Japanese mixed martial artist Mikuru Asakura

US boxer Floyd Mayweather (L) fought against Japanese mixed martial artist Mikuru Asakura during their exhibition boxing match

HENDERSON, NEVADA – JUNE 13: Boxer Floyd Mayweather Jr. (L) and mixed martial artist Mikuru Asakura pose during a news conference announcing their exhibition boxing bout at The M Resort on June 13, 2022 in Henderson, Nevada. The bout will take place in September 2022 in Japan as part of a RIZIN Fighting Federation show. (Photo by Ethan Miller/Getty Images)

US boxer Floyd Mayweather (L) was against Japanese mixed martial artist Mikuru Asakura during their exhibition boxing match at the Saitama Super Arena in Saitama on September 25, 2022.

Japanese mixed martial artist Mikuru Asakura (R) tries to get up after being knocked down by US boxer Floyd Mayweather during their exhibition boxing match at the Saitama Super Arena in Saitama on September 25, 2022. (Photo by Philip FONG / AFP) (Photo by PHILIP FONG/AFP via Getty Images)

Japanese mixed martial artist Mikuru Asakura (R) is knocked down by US boxer Floyd Mayweather (front L)

Japanese mixed martial artist Mikuru Asakura (R) tries to get up after being knocked down by US boxer Floyd Mayweather

TOPSHOT – Japanese mixed martial artist Mikuru Asakura (R) is knocked down by US boxer Floyd Mayweather (front L) during their exhibition boxing match at the Saitama Super Arena in Saitama on September 25, 2022. (Photo by Philip FONG / AFP) (Photo by PHILIP FONG/AFP via Getty Images)

US boxer Floyd Mayweather (2nd L) hugs Japanese mixed martial artist Mikuru Asakura (L) after the latter was knocked out in the second round

US boxer Floyd Mayweather (2nd L) hugs Japanese mixed martial artist Mikuru Asakura (L) after the latter was knocked out in the second round during their exhibition boxing match at the Saitama Super Arena in Saitama on September 25, 2022. (Photo by Philip FONG / AFP) (Photo by PHILIP FONG/AFP via Getty Images)

US boxer Floyd Mayweather (C) reacts after his victory over Japanese mixed martial artist Mikuru Asakura in the second round of their exhibition boxing match at the Saitama Super Arena in Saitama on September 25, 2022.