https://www.espn.com/boxing/story/_/id/12370125/boxing-champions-list
Junior featherweight (122 lbs.)
WBO: Naoya Inoue
IBF: Naoya Inoue
WBA: Naoya Inoue
WBC: Naoya Inoue
Bantamweight (118 lbs.)
WBO: Yoshiki Takei
IBF: Emmanuel Rodriguez
WBA: Takuma Inoue
WBC: Junto Nakatani
Junior bantamweight (115 lbs.)
WBO: Kosei Tanaka
IBF: Fernando Martinez
WBA: Kazuto Ioka
WBC: Juan Francisco Estrada*
*Carlos Cuadras is the WBC interim junior bantamweight champion
Flyweight (112 lbs.)
WBO: Jesse Rodriguez
IBF: Vacant
WBA: Seigo Yuri Akui
WBC: Julio Cesar Martinez
Junior flyweight (108 lbs.)
WBO: Jonathan Gonzalez
IBF: Sivenathi Nontshinga
WBA: Kenshiro Teraji
WBC: Kenshiro Teraji
Strawweight (105 lbs.)
WBO: Oscar Collazo
IBF: Ginjiro Shigeoka
WBA: Knockout CP Freshmart
WBC: Yudai Shigeoka
