Floyd Mayweather Jr. It was scheduled for twelve rounds and recorded the second highest pay-per-view buy rate in history. Mayweather extended his professional boxing undefeated streak to 50 victories and 0 defeats 50—0surpassing the 49—0 record of Hall of Famer Rocky Marcianoafter defeating McGregor by technical knockout TKO in the 10th round. During his successful UFC mixed martial arts career McGregor maintained an interest in boxing and entertained the idea of a «money fight» with Mayweather. He also predicted that pay-per-view viewership of the hypothetical bout could possibly rival Mayweather vs. On March 7,Mayweather called upon McGregor to «sign the paper» and «make it happen», arguing that «if Conor McGregor really wants this fight to happen, stop blowing smoke up everybody’s ass. In JulyIBF junior lightweight champion Gervonta Davis was reported to be going to participate in a co-main event. On January 19th,Mayweather posted a picture to...