Floyd Mayweather will make his return to the ring on June 6 in an exhibition bout alongside YouTube superstar Logan Paul.
The American, who retired from professional boxing with victory over Conor McGregor - surpassing Rocky Marciano's 49-0 record in the process - will collide with Paul at Miami's Hard Rock Stadium.
Alongside the 'Money Fight' against McGregor, Mayweather also holds the record for most pay-per-views generated with his 'Fight of the Century' showdown with Manny Pacquiao doing 4.6 million sales. Paul, meanwhile, has fought just twice.
Both fights were against KSI at a white-collar amateur event as well as professional level.
His record as a 'pro' is 0-1 with KSI defeating him via split-decision in Los Angeles at the Staples Center.
Mayweather and Paul are expected to have different weight limits for the fight.
Mayweather, 44, has described the event - which will be exclusive to Showtime PPV for $49.99 - as an 'epic event'.
"TBE" last featured in an exhibition bout in 2018, defeating Japanese kickboxer Tenshin Nasukawa inside 140 seconds. He reportedly received $9million for the fight.
Badou Jack is expected to rematch Jean Pascal for the WBA 'regular' light-heavyweight belt on the undercard.
"I can eventually probably make $50million, for just a regular fight.
"Or me and Logan Paul can go out, entertain, have fun and make nine figures $100million or more.
"Everybody thinks that 'retired' means at home with your feet up and picking up weight.
"I prefer to go out, still entertain and have fun.
"Just because I still go out, entertain and have fun doesn't mean that I still wanna fight for 12 rounds.
"I think we've got a six-round exhibition. I think it's gonna be very entertaining for the people, I think people are gonna love it.
"$35million for 12 rounds or $100million for six rounds - big difference."