HEAVYWEIGHT (UNLIMITED)
WBO IBF WBA WBC
Joseph Parker Anthony Joshua Vacant Deontay Wilder

CRUISERWEIGHT (200 LBS)
WBO IBF WBA WBC
Oleksandr Usyk Murat Gassiev *Denis Lebedev Tony Bellew
*Beibut Shumenov is the WBA "regular" cruiserweight champion and 
Yunier Dorticos is the WBA interim cruiserweight champion

LIGHT HEAVYWEIGHT (175 LBS)
WBO IBF WBA WBC
Andre Ward Andre Ward *Andre Ward Adonis Stevenson
*Nathan Cleverly is the WBA "regular" light heavyweight champion and 
Dmitry Bivol is the WBA interim light heavyweight champion

SUPER MIDDLEWEIGHT (168 LBS)
WBO IBF WBA WBC
Gilberto Ramirez James DeGale Tyron Zeuge Vacant

MIDDLEWEIGHT (160 LBS)
WBO IBF WBA WBC
Billy Joe Saunders Gennady Golovkin *Gennady Golovkin Gennady Golovkin
*Daniel Jacobs is the WBA "regular" middleweight champion and Hassan N'Dam is the 
WBA interim middleweight champion

JUNIOR MIDDLEWEIGHT (154 LBS)
WBO IBF WBA WBC
Canelo Alvarez Jarrett Hurd *Erislandy Lara Jermell Charlo
*Jack Culcay is the WBA "regular" junior middleweight champion

WELTERWEIGHT (147 LBS)
WBO IBF WBA WBC
Manny Pacquiao Kell Brook *Keith Thurman Danny Garcia
*Lamont Peterson is the WBA "regular" welterweight champion

JUNIOR WELTERWEIGHT (140 LBS)
WBO IBF WBA WBC
Terence Crawford Julius Indongo Ricky Burns Terence Crawford

LIGHTWEIGHT (135 LBS)
WBO IBF WBA WBC
Terry Flanagan Robert Easter Jr. Jorge Linares Mikey Garcia

JUNIOR LIGHTWEIGHT (130 LBS)
WBO IBF WBA WBC
Vasyl Lomachenko Gervonta Davis Jezreel Corrales Miguel Berchelt

FEATHERWEIGHT (126 LBS)
WBO IBF WBA WBC
Oscar Valdez Lee Selby *Leo Santa Cruz **Gary Russell Jr.
*Abner Mares is the WBA "regular" featherweight champion 
and Carlos Zambrano is the WBA interim featherweight champion
**Oscar Escandon is the WBC interim featherweight champion

JUNIOR FEATHERWEIGHT (122 LBS)
WBO IBF WBA WBC
Jessie Magdaleno Yukinori Oguni *Guillermo Rigondeaux Rey Vargas
*Nehomar Cermeno is the WBA "regular" junior featherweight champion 
and Moises Flores is the WBA interim junior featherweight champion

BANTAMWEIGHT (118 LBS)
WBO IBF WBA WBC
Marlon Tapales Lee Haskins *Zhanat Zhakiyanov Shinsuke Yamanaka
*Jamie McDonnell is the WBA "regular" bantamweight champion

JUNIOR BANTAMWEIGHT (115 LBS)
WBO IBF WBA WBC
Naoya Inoue Jerwin Ancajas Khalid Yafai Roman Gonzalez

FLYWEIGHT (112 LBS)
WBO IBF WBA WBC
Zou Shiming Vacant Kazuto Ioka Vacant

JUNIOR FLYWEIGHT (108 LBS)
WBO IBF WBA WBC
Kosei Tanaka *Akira Yaegashi Ryoichi Taguchi Ganigan Lopez
*Milan Melindo is the IBF interim junior flyweight champion

STRAWWEIGHT (105 LBS)
WBO IBF WBA WBC
*Katsunari Takayama Jose Argumedo Knockout CP Freshmart Wanheng Menayothin