By Ken Hissner: Per the IBO Rankings, the following 27 are unbeaten world champions:
Heavyweight:
WBC Tyson “The Gypsy King” Fury, 31-0-1, of UK and living in Nevada in the US.
Fury won the WBC title in February 2020 in a rematch from a previous draw (in December 2018) with then WBC champion Deontay “The Bronze Bomber” Wilder, 42-0-1, by stoppage in 7 rounds in Las Vegas, Nevada.
In October of 2021, in Fury’s next fight, he had a third match with Wilder, who was down three times and Fury down two times. Fury scored a knockout in eleven rounds to retain his title.
WBA, WBO and IBF champion Aleksandr Usyk, 19-0 (13), of Shypyntsi, Ukraine. This former WBA, WBC, WBO, and IBF cruiserweight champion won the WBA, WBO, and IBF heavyweight title in September of 2021, defeating Anthony “AJ” Joshua by decision.
Cruiserweight:
WBA champion Arsen “Feroz” Goulamirian, 26-0 (18), of Yerevan, Armenia, and Big Bear Lake, California. In March of 2028, he won the interim WBA title, stopping Ryad Merhy. In his next fight, he won the WBA Gold title, stopping Mark Flanagan in nine rounds.
In Goulamirian’s next fight, he stopped Kane Watts for the WBA title. In December 2019, in his last fight, he stopped Constantin Bejenaru after nine rounds.
WBO champion Lawrence “The Sauce” Okolie, 17-0 (14), of Hackney, London, UK. In March of 2021, he won the vacant WBO title, stopping Krzysztof Glowacki in six rounds.
In his first defense in September 2021 and last fight, he stopped Dilan Prasovic in three rounds in London. He is scheduled on February 27th in his first defense against Michal Cieslak, 21-1, in London.
Light Heavyweight:
WBA champion Dmitry Bivol, 19-0 (11), of Kyrgyzstan and now out of St. Petersburg, Russia. In March of 2018, he won the title, stopping Trent Broadhurst.
Bivol has since made seven title defenses, including current WBO champion Joe Smith, Jr. In his last fight in December of 2021, he defeated Umar Salamov in Russia.
WBC and IBF champion Artur Beterbiev, 17-0 (17), of RUS and Montreal, Canada. In November of 2017, he won the vacant IBF title, stopping Enrico Koelling in Fresno, CA.
In October of 2019, Bivol added the WBC title, stopping Oleksandr Gvozdyk in ten rounds in Philadelphia, PA. He’s made two defenses with his last in December of 2021, stopping Marcus Browne in nine rounds in Montreal, Canada.
Super Middleweight: NONE
Middleweights:
WBC champion Jermall “Hit Man” Charlo, 32-0 (22), of Houston, Texas. In September of 2015, he won the IBF super welterweight title. He defended it three times and two fights later; he won the interim WBC title defeating Matvey Korobov in December of 2018.
In June of 2019, he won the WBC middleweight title, defeating Brandon Adams in Houston, Texas. He has made three title defenses, with the last one in June of 2021 beating Juan Macias Montiel in Houston, Texas.
WBO middleweight champion Demetrius “Boo Boo” Andrade, 31-0, of Providence, RI, who just vacated his title and moved to super middleweight. In March of 2017, he won the WBA title defeating Jack Culcay in Germany.
Andrade has made seven title defenses, and in his last fight in November of 2021, he stopped Jason Quigley in New Hampshire.
Super Welterweight title: NONE
Welterweight:
WBO champion Terence “Bud” Crawford, 38-0 (29), of Omaha, Nebraska. He won in March of 2014, stopping Ricky Burns in Scotland, UK.
Crawford since made fifteen title defenses, including his last fight in November of 2021, stopping Shawn Porter in Las Vegas, Nevada.
IBF and WBC champion Errol “The Truth” Spence, Jr., 27-0 (21), of Desoto, Texas. In May of 2017, he won the title. He stopped Kell Brook in Sheffield, UK.
Spence made three defenses before adding the WBC title in September of 2019, defeating Shawn Porter. In December of 2020, in his last fight, he defeated former champion Danny “Swift” Garcia in Arlington, Texas.
Super Lightweight:
WBA, WBC, WBO and IBF Josh ‘The Tartan Tornado” Taylor, 18-0 (13), of Scotland, UK. In May of 2019, he won the IBF title defeating Ivan Baranchyk. He added the WBA title in October of 2019 Regis Prograis.
Taylor, after a title defense, he added the fourth title, the WBC and WBO titles defeating Jose Carlos Ramirez in his last fight in May of 2021. He is scheduled on February 26th against Jack Catterall, 26-0, in Glasgow, Scotland, UK.
Lightweight:
Super WBA, WBO, IBF champion George “Ferocious” Kambosos, Jr., 20-0 (10, of Sydney, New South Wales, Australia. He won the titles in November of 2021, defeating Teofimo Lopez.
WBC champion Devin “The Dream” Haney, 27-0 (15), of Las Vegas, Nevada. He won the title in November of 2019, defeating Alfredo Santiago in L.A., CA.
He made three defenses, the last in December of 2021, defeating Joseph Diaz in Las Vegas, Nevada.
WBA champion Gervonta “Tank” Davis, 26-0 (24), of Baltimore, Maryland. He won the IBF World super featherweight title in January of 2017, stopping Jose Pedraza.
In December of 2019, Davis won the vacant WBA title stopping Yuriorkis Gamboa. He made three defenses, including his last fight in December 2021, defeating Isaac Cruz in L.A., CA.
Super Featherweight:
WBC champion Oscar Valdez, 30-0 (23), of Sonora, Mexico. He won the featherweight title in March of 2018. He made two titles and two non-title fights.
Valdez, in February of 2021, won the WBC title, stopping Miguel Berchelt in Las Vegas, Nevada. In his last fight in September of 2021, he defeated Robson Conceicao in Tucson, Arizona.
WBO champion Shakur “Fearless” Stevenson, 17-0 (9), of Alexandria, VA. In October of 2019, he won the WBO world featherweight title. In June of 2021, he won the interim WBO super featherweight title.
In Stevenson’s last fight in October 2021, he won the vacant WBO featherweight title, stopping Jamel Herring in Atlanta, GA.
Featherweight:
WBC champion Mark “Magnifico” Magsayo, 24-0 (16), of Rizal, Metro Manila, Philippines. In January of 2022, he defeated Gary Russel, Jr. in Atlantic City, New Jersey.
Super Bantamweight:
WBC and WBO Stephen “Cool Boy Steph” Fulton, 20-0 (8), of Philadelphia, PA. In November of 2019, he won the IBO title. In January of 2021, he won the WBO world title defeating Angelo Leo.
In his last fight in November of 2021, he added the WBC title defeating Brandon Figueroa in Las Vegas, Nevada.
WBA and IBF champion Murodjon “MJ” Akhmadeliev, 10-0 (7), of Chust, Uzbekistan and Indio, CA. In January of 2020, he won the WBA and IBF titles defeating Daniel Roman.
In November of 2021, in his last fight, Akhmadeliev defeated Jose Velasquez in Manchester, New Hampshire.
Bantamweight:
WBA and IBF champion Naoya “Monster” Inoue, 22-0 (19), of Yokohama, Japan. In November of 2019, he won the title, defeating Nonito Donaire. In his third title defense in his last fight in December of 2021, he stopped Aran Dipaen in Tokyo, Japan.
Super Flyweight: NONE
Flyweight:
WBA champion Artem Dalakian, 21-0 (15), of Baku, Azerbaijan, and Kiev, UKR. He won the vacant title in February 2018, defeating Brian Viloria in Inglewood, CA.
In Dalakian’s last fight in November of 2021, in his fifth defense, he stopped Luis Concepcion in Kiev, Ukraine.
IBF champion Sunny “Showtime” Edwards, 17-0 (4), of Croydon, London, UK. In April of 2021, he won the title defeating Moruti Mthalane in London, UK.
In Edwards’s last fight in December of 2021, he defeated Jason Mamain Coca-Cola, Dubai. He is scheduled on March 19th against Muhammad Waseem.
WBO champion Junto Nakatani, 22-0 (17), of Sagamihara, Japan. He won the vacant title in November of 2020, stopping Giemel Magramo in Tokyo, Japan. In his last fight in September of 2021, he stopped Angel Acosta in Tucson, Arizona.
Light Flyweight:
WBA champion Hiroto Kyoguchi, 15-0 (10), of Tokyo, Japan. He won the title in December of 2018, stopping Hekkie Budler in Macao, China.
In Kyoguchi’s third defense in his last fight, he stopped Axel AragonVega in Dallas, Texas.
Minimumweight:
WBA champion Thammanoon “Knockout CP Freshmart” Niymtrong, 23-0 (9), of Surin, Thailand. He won the title in June of 2016, defeating Byron Rojas in Thailand.
In Thammanoon’s last fight and tenth defense in December 2021, he stopped Robert Paradero in Phuket, Thailand.