Undefeated boxer Floyd Mayweather Jr. of the U.S. attends a news conference ahead of his RIZIN 14 exhibition...
Undefeated boxer Floyd Mayweather Jr. of the U.S. attends a news conference ahead of his RIZIN 14 exhibition bout against Japanese kickboxer Tenshin Nasukawa (not pictured), in Tokyo, Japan December 29, 2018. REUTERS/Issei Kato