Floyd Mayweather announces return to pro boxing after Mike Tyson exhibition, will put 50-0 record on the line Mayweather's last fight was his TKO win over Conor McGregor in 2017. Content Original Link: https://sports.yahoo.com/boxing/article/floyd-mayweather-announces-return-to-pro-boxing-after-mike-tyson-exhibition-will-put-50-0-record-on-the-line-233339837.html