Its CEO Nobuyuki Sakakibara today posted photographs on Twitter of the 40-year-old Pacquiao signing a contract. He did not specify in what capacity Pacquiao would be involved in the event scheduled for April 21.
Pacquiao’s last fight was a unanimous decision victory over American Adrien Broner in January.
Mayweather, who beat Pacquiao in a drab 2015 bout, came out of retirement briefly to score an easy victory over kickboxer Tenshin Nasukawa in the main event of Rizin’s prestigious New Year’s Eve show.
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