Do you think Floyd Mayweather is the greatest boxer of all-time? Let us know in the comments section. The building opened in 2020 after three years of construction, and it cost a staggering $3.31b to build.The American superstar retired in 2015 but returned to fight UFC icon Conor McGregor in a boxing match, which Mayweather won via TKO in the 10th round.He has returned for exhibition bouts against 23-year-old Japanese kickboxer Tenshin Nasukawa - which he won in a single round - and YouTuber Logan Paul in June this year.Want to be on the ball with all of the latest football news?Well then sign up for the brilliant Daily Star football email newsletter!From the latest transfer news to the agenda-setting stories, get it all in your email.
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