Champ – Vacant
- Anthony Joshua (21-0-0, 20 KO’s) IBF, WBA, WBO
- Deontay Wilder (40-0-0, 39 KO’s) WBC
- Alexander Povetkin (33-1-0, 23 KO’s)
- Joseph Parker (24-1-0, 18 KO’s)
- Luis Ortiz (28-1-0, 24 KO’s)
Cruiserweight — (200 pound limit)
Champ – Vacant
- Oleksandr Usyk (14-0-0, 11 KO’s) WBC, WBO
- Murat Gassiev (26-0-0, 19 KO’s) IBF, WBA
- Mairis Briedes (23-1-0, 18 KO’s)
- Denis Lebedev (30-2-0, 22 KO’s)
- Yunier Dorticos (22-1-0, 21 KO’s)
Light Heavyweight — (175 pound limit)
Champ – Vacant
- Sergey Kovalev (32-2-1, 28 KO’s) WBO
- Adonis Stevenson (29-1-0, 24 KO’s) WBC
- Dmitry Bivol (13-0-0, 11 KO’s) WBA
- Eleider Alvarez (23-0-0, 11 KO’s)
- Oleksandr Gvozdyk (15-0-0, 12 KO’s)
Super Middleweight — (168 pounds limit)
Champ – Vacant
- George Groves (28-3-0, 20 KO’s) WBA
- Gilberto Ramirez (37-0-0, 25 KO’s) WBO
- Callum Smith (24-0-0, 17 KO’s)
- David Benavidez (20-0-0, 17 KO’s) WBC
- Jose Uzcategui (27-2-0, 23 KO’s)
Middleweight — (160 pound limit)
Champ – Saul Alvarez (49-1-2, 34 KO’s) RING
- Gennady Golovkin (38-0-1, 34 KO’s) IBF, WBA, WBC
- Daniel Jacobs (34-2-0, 29 KO’s)
- Billy Joe Saunders (26-0-0, 12 KO’s) WBO
- Sergiy Derevyanchenko (12-0-0, 10 KO’s)
- Jermall Charlo (27-0-0, 21 KO’s)
Junior Middleweight — (154 pound limit)
Champ – Vacant
- Jarret Hurd (22-0-0, 15 KO’s) IBF, WBA
- Jermell Charlo (30-0-0, 15 KO’s) WBC
- Erislandy Lara (25-3-2, 14 KO’s)
- Jaime Munguia (29-0-0, 25 KO’s) WBO
- Brian Castano (15-0-0, 11 KO’s)
Welterweight — (147 pound limit)
Champ – Vacant
- Keith Thurman (28-0-0, 22 KO’s) WBA
- Errol Spence Jr (23-0-0, 20 KO’s) IBF
- Shawn Porter (28-2-1, 17 KO’s)
- Danny Garcia (34-1-0, 20 KO’s)
- Jeff Horn (18-0-1, 12 KO’s) WBO
Junior Welterweight — (140 pound limit)
Champ – Vacant
- Regis Prograis (21-0-0, 18 KO’s)
- Viktor Postol (29-1-0, 12 KO’s)
- Kiryl Relikh (22-2-0, 19 KO’s) WBA
- Jose Ramirez (22-0-0, 16 KO’s) WBC
- Antonio Orozco (27-0-0, 17 KO’s)
Lightweight — (135 pound limit)
Champ – Vasyl Lomachenko (11-1-0, 9 KO’s) RING, WBA
- Jorge Linares (44-4-0, 27 KO’s)
- Mikey Garcia (38-0-0, 30 KO’s) WBC
- Robert Easter (21-0-0, 14 KO’s) IBF
- Raymundo Beltran (35-7-1, 21 KO’s) WBO
- Richard Commy (26-2-0, 23 KO’s)
Junior Lightweight — (130 pound limit)
Champ – Vacant
- Miguel Berchelt (33-1-0, 29 KO’s) WBC
- Gervonta Davis (20-0-0, 19 KO’s) WBA
- Alberto Machado (19-0-0, 16 KO’s)
- Francisco Vargas (25-1-2, 18 KO’s)
- Tevin Farmer (25-4-1, 5 KO’s)
Featherweight — (126 pound limit)
Champ – Vacant
- Leo Santa Cruz (34-1-1, 19 KO’s) WBA
- Carl Frampton (25-1-0, 14 KO’s)
- Garry Russel Jr (28-1-0, 17 KO’s) WBC
- Oscar Valdez (24-0-0, 19 KO’s) WBO
- Lee Selby (26-1-0, 9 KO’s) IBF
Junior Featherweight — (122 pound limit)
Champ – Vacant
- Guillermo Rigondeaux (17-1-0, 11 KO’s)
- Isaac Dogboe (19-0-0, 13 KO’s) WBO
- Rey Vargas (31-0-0, 22 KO’s) WBC
- Jesse Magdaleno (25-1-0, 18 KO’s)
- Daniel Roman (24-2-1, 9 KO’s) WBA
Bantamweight — (118 pound limit)
Champ – Vacant
- Zolani Tete (27-3-0, 21 KO’s) WBO
- Jaime McDonnell (29-2-1, 13 KO’s)
- Ryan Burnett (19-0-0, 9 KO’s) IBF, WBA
- Emmanuel Rodriguez (18-0-0, 12 KO’s)
- Juan Carlos Payano (20-1-0, 9 KO’s)
Junior Bantamweight — (115 pound limit)
Champ – Srisaket Sor Rungvisai (45-4-1, 40 KO’s) RING, WBC
- Naoya Inoue (15-0-0, 13 KO’s) WBO
- Juan Francisco Estrada (36-3-0, 25 KO’s)
- Khalid Yafai (23-0-0, 14 KO’s) WBA
- Jerwin Ancajas (29-1-1, 20 KO’s) IBF
- Roman Gonzalez (46-2-0, 38 KO’s)
Flyweight — (112 pound limit)
Champ – Vacant
- Artem Dalakian (16-0-0, 11 KO’s) WBA
- Moruti Mthalane (35-2-0, 24 KO’s)
- Andrew Selby (10-0-0, 5 KO’s)
- Cristopher Rosales (27-3-0, 18 KO’s) WBC
- 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 Canizares (20-0-1, 16 KO’s)
- Pedro Guavara (30-3-1, 17 KO’s)
- Ganigan Lopez (29-7-0, 18 KO’s)
Strawweight — (105 pound limit)
Champ – Vacant
- Wanheng Menayothin (50-0-0, 18 KO’s) WBC
- Knockout CP Freshmart (17-0-0, 7 KO’s) WBA
- Hiroto Kyoguchi (9-0-0, 7 KO’s) IBF
- Ryuya Yamanaka (16-2-0, 5 KO’s) WBO
- Byron Rojas (24-3-3, 10 KO’s)