Champ – Vacant
- Anthony Joshua (20-0-0, 20 KO’s) IBF, WBA
- Deontay Wilder (39-0-0, 38 KO’s) WBC
- Joseph Parker (24-0-0, 18 KO’s) WBO
- Luis Ortiz (28-0-0, 24 KO’s)
- Alexander Povetkin (33-1-0, 23 KO’s)
Cruiserweight — (200 pound limit)
Champ – Vacant
- Oleksandr Usyk (13-0-0, 11 KO’s) WBO
- Murat Gassiev (25-0-0, 18 KO’s) IBF
- Mairis Briedes (23-0-0, 18 KO’s) WBC
- Denis Lebedev (30-2-0, 22 KO’s) WBA
- Yunier Dorticos (22-0-0, 21 KO’s)
Light Heavyweight — (175 pound limit)
Champ – Vacant
- Sergey Kovalev (31-2-1, 27 KO’s) WBO
- Adonis Stevenson (29-1-0, 24 KO’s) WBC
- Eleider Alvarez (23-0-0, 11 KO’s)
- Oleksandr Gvozdyk (14-0-0, 12 KO’s)
- Artur Beterbiev (12-0-0, 12 KO’s)
Super Middleweight — (168 pounds limit)
Champ – Vacant
- Gilberto Ramirez (36-0-0, 24 KO’s) WBO
- George Groves (27-3-0, 20 KO’s) WBA
- Callum Smith (23-0-0, 17 KO’s)
- Chris Eubank Jr (26-1-0, 20 KO’s)
- Caleb Truax (29-3-2, 18 KO’s) IBF
Middleweight — (160 pound limit)
Champ – Saul Alvarez (49-1-2, 34 KO’s) RING
- Gennady Golovkin (37-0-1, 33 KO’s) IBF, WBA, WBC
- Daniel Jacobs (32-2-0, 29 KO’s)
- Billy Joe Saunders (26-0-0, 12 KO’s) WBO
- Sergiy Derevyanchenko (11-0-0, 9 KO’s)
- Jermall Charlo (26-0-0, 20 KO’s)
Junior Middleweight — (154 pound limit)
Champ – Vacant
- Erislandy Lara (24-2-2, 14 KO’s) WBA
- Jermell Charlo (30-0-0, 15 KO’s) WBC
- Jarret Hurd (21-0-0, 15 KO’s) IBF
- Sadam Ali (26-1-0, 14 KO’s) WBO
- Brian Castano (14-0-0, 10 KO’s)
Welterweight — (147 pound limit)
Champ – Vacant
- Keith Thurman (28-0-0, 22 KO’s) WBA, WBC
- Errol Spence Jr (23-0-0, 20 KO’s) IBF
- Shawn Porter (28-2-1, 17 KO’s)
- Kell Brook (36-2-0, 25 KO’s)
- Danny Garcia (33-1-0, 19 KO’s)
Junior Welterweight — (140 pound limit)
Champ – Terence Crawford (32-0-0, 23 KO’s) RING
- Mikey Garcia (37-0-0, 30 KO’s)
- Viktor Postol (29-1-0, 12 KO’s)
- Antonio Orozco (26-0-0, 17 KO’s)
- Regis Prograis (20-0-0, 17 KO’s)
- Julius Indongo (22-1-0, 11 KO’s)
Lightweight — (135 pound limit)
Champ – Jorge Linares (43-3-0, 27 KO’s) RING, WBA
- Mikey Garcia (37-0-0, 30 KO’s) WBC
- Robert Easter (21-0-0, 14 KO’s) IBF
- Raymundo Beltran (34-7-1, 21 KO’s)
- Richard Commy (25-2-0, 22 KO’s)
- Felix Verdejo (23-0-0, 15 KO’s)
Junior Lightweight — (130 pound limit)
Champ – Vacant
- Vasyl Lomachenko (10-1-0, 8 KO’s) WBO
- Miguel Berchelt (32-1-0, 28 KO’s) WBC
- Gervonta Davis (19-0-0, 18 KO’s)
- Alberto Machado (19-0-0, 16 KO’s) WBA
- Francisco Vargas (24-1-2, 17 KO’s)
Featherweight — (126 pound limit)
Champ – Vacant
- Leo Santa Cruz (34-1-1, 19 KO’s) WBA
- Garry Russel Jr (28-1-0, 17 KO’s) WBC
- Carl Frampton (24-1-0, 14 KO’s)
- Lee Selby (26-1-0, 9 KO’s) IBF
- Abner Mares (31-2-1, 15 KO’s)
Junior Featherweight — (122 pound limit)
Champ – Vacant
- Guillermo Rigondeaux (17-1-0, 11 KO’s) WBA
- Jesse Magdaleno (25-0-0, 18 KO’s) WBO
- Rey Vargas (31-0-0, 22 KO’s) WBC
- Diego De La Hoya (20-0-0, 9 KO’s)
- Moises Flores (25-0-0, 17 KO’s)
Bantamweight — (118 pound limit)
Champ – Shinsuke Yamanaka (27-1-2, 19 KO’s) RING
- Zolani Tete (26-3-0, 21 KO’s) WBO
- Jaime McDonnell (29-2-1, 13 KO’s)
- Ryan Burnett (18-0-0, 9 KO’s) IBF, WBA
- Juan Carlos Payano (19-1-0, 9 KO’s)
- Zhanat Zhakiyanov (27-2-0, 18 KO’s)
Junior Bantamweight — (115 pound limit)
Champ – Vacant
- Naoya Inoue (15-0-0, 13 KO’s) WBO
- Srisaket Sor Rungvisai (44-4-1, 40 KO’s) WBC
- Juan Francisco Estrada (36-2-0, 25 KO’s)
- Carlos Cuadras (36-2-1, 27 KO’s)
- Khalid Yafai (23-0-0, 14 KO’s) WBA
Flyweight — (112 pound limit)
Champ – Vacant
- Donnie Nietes (40-1-4, 22 KO’s) IBF
- Diago Higa (14-0-0, 14 KO’s) WBC
- Juan Carlos Reveco (39-3-0, 19 KO’s)
- Moruti Mthalane (35-2-0, 24 KO’s)
- Sho Kimura (16-1-2, 9 KO’s) WBO
Junior Flyweight — (108 pound limit)
Champ – Ryoichi Taguchi (27-2-2, 12 KO’s) RING, IBF, WBA
- Ken Shiro (12-0-0, 6 KO’s) WBC
- Milan Melindo (37-3-0, 13 KO’s)
- Carlos Canizales (19-0-1, 16 KO’s)
- Pedro Guavara (30-3-1, 17 KO’s)
- Ganigan Lopez (28-7-0, 17 KO’s)
Strawweight — (105 pound limit)
Champ – Vacant
- Wanheng Menayothin (49-0-0, 17 KO’s) WBC
- Knockout CP Freshmart (16-0-0, 7 KO’s) WBA
- Hiroto Kyoguchi (9-0-0, 7 KO’s) IBF
- Byron Rojas (24-3-3, 10 KO’s)
- Jose Argumedo (20-4-1, 12 KO’s)