Heavyweight
WBO: Fabio Wardley
IBF: Oleksandr Usyk
WBA: Oleksandr Usyk
WBC: Oleksandr Usyk
Cruiserweight (200 lbs.)
WBO: David Benavidez
IBF: Vacant
WBA: David Benavidez
WBC: Norair Mikaeljan
Light heavyweight (175 lbs.)
WBO: Dmitry Bivol
IBF: Dmitry Bivol
WBA: Dmitry Bivol
WBC: David Benavidez
Super middleweight (168 lbs.)
WBO: Vacant
IBF: Vacant
WBA: Jose Armando Resendiz
WBC: Christian Mbilli
Middleweight (160 lbs.)
WBO: Janibek Alimkhanuly
IBF: Vacant
WBA: Erislandy Lara
WBC: Carlos Adames
Junior middleweight (154 lbs.)
WBO: Xander Zayas
IBF: Josh Kelly
WBA: Xander Zayas
WBC: Sebastian Fundora
Welterweight (147 lbs.)
WBO: Devin Haney
IBF: Lewis Crocker
WBA: Rolando Romero
WBC: Ryan Garcia
Junior welterweight (140 lbs.)
WBO: Shakur Stevenson
IBF: Richardson Hitchins
WBA: Gary Antuanne Russell
WBC: Dalton Smith
Lightweight (135 lbs.)
WBO: Abdullah Mason
IBF: Raymond Muratalla
WBA: Gervonta Davis
WBC: Vacant
Junior lightweight (130 lbs.)
WBO: Emanuel Navarrete
IBF: Emanuel Navarrete
WBA: Anthony Cacace
WBC: O’Shaquie Foster
Featherweight (126 lbs.)
WBO: Rafael Espinoza
IBF: Angelo Leo
WBA: Brandon Figueroa
WBC: Bruce Carrington
Super Bantamweight (122 lbs.)
WBO: Naoya Inoue
IBF: Naoya Inoue
WBA: Naoya Inoue
WBC: Naoya Inoue
Bantamweight (118 lbs.)
WBO: Christian Medina Jimenez
IBF: Jose Salas Reyes
WBA: Seiya Tsutsumi
WBC: Takuma Inoue
Super Flyweight (115 lbs.)
WBO: Jesse Rodriguez
IBF: Willibaldo Garcia Perez
WBA: Jesse Rodriguez
WBC: Jesse Rodriguez
Flyweight (112 lbs.)
WBO: Anthony Olascuaga
IBF: Masamichi Yabuki
WBA: Ricardo Sandoval
WBC: Ricardo Sandoval*
Junior flyweight (108 lbs.)
WBO: Rene Santiago
IBF: Thanongsak Simsri
WBA: Rene Santiago
WBC: Thammanoon Niyomtrong
Strawweight (105 lbs.)
WBO: Oscar Collazo
IBF: Pedro Taduran
WBA: Oscar Collazo
WBC: Melvin Jerusalem