List of undefeated world boxing champions

This is a list of world champions in professional boxing who retired undefeated, either during or after a title reign(s). It excludes current titleholders. Each champion's record is shown in the following format: wins–losses–draws.

Undefeated male champions

Boxer Record (W-L-T) Weight class (boxing) Title(s) held Championship years Title defenses Notes
Jimmy Barry[1] 61–0–10, 1NC Bantamweight World 1894–1899 6 Fought when the bantamweight category was not fully established. The weight limits in the United States shifted during his career.
Joe Calzaghe[2] 46–0 Super middleweight WBO 1997–2008 21 Vacated title to move up to light heavyweight.
IBF 2006 1 Vacated title to fight Peter Manfredo Jr. instead of #1 contender Robert Stieglitz.
The Ring 2006–2008 3 Vacated titles to move up to light heavyweight.
WBA, WBC 2007–2008 0
Light heavyweight The Ring 2008 1 Retired and vacated title.
Terence Crawford[3] 42–0 Lightweight WBO 2014–2015 2 Vacated title to move up to light welterweight.
The Ring 2014–2015 0
Light welterweight WBO 2015–2017 6 Vacated title to move up to welterweight.
WBC, The Ring 2016–2018 3
WBA (Super), IBF 2017 0
Welterweight WBO 2018–2024 7 Vacated title to move up to light middleweight.
WBA (Super), WBC, IBF, The Ring 2023–2024[a] 0
Light middleweight WBA 2024–2025 0 Also won the WBO interim title. Stripped and vacated of both titles to move up to super middleweight.
Super middleweight WBC, IBF, WBO 2025 0 Stripped of the WBC title 13 days before retiring.
WBA (Super), The Ring 2025–2026 0 Armando Reséndiz elevated to full WBA champion on January 1, 2026.
Kim Ji-won[4] 16–0–2 Super bantamweight IBF 1985–1986 4
Mihai Leu[5] 28–0 Welterweight WBO 1997 1 Retired from boxing due to an injury.
Ricardo López[4] 51–0–1 Minimumweight WBC 1990–1998 22 Vacated title to move up to light flyweight.
WBO 1997–1998 0 Unified WBC and WBO titles. Stripped of WBO title for saying he wanted to give the belt to his father.[6]
WBA 1998 0 Vacated title to move up to junior flyweight.
Light flyweight IBF 1999–2002 2
Rocky Marciano[4][7] 49–0 Heavyweight World 1952–1956 6
Terry Marsh[4][5] 26–0–1 Light welterweight IBF 1987 1 Retired from boxing due to epilepsy.
Floyd Mayweather Jr.[8] 50–0 Super featherweight WBC 1998–2002 8 Vacated title to move up to lightweight.
Lightweight WBC, The Ring 2002–2004 3 Vacated title to move up to light welterweight.
Light welterweight WBC 2005–2006 0 Vacated title to move up to welterweight.
Welterweight IBF 2006 0 Vacated title to challenge Carlos Baldomir for his WBC title.
WBC, The Ring 2006–2008, 2011–2015 6 Retired in 2008, few months after defeating Ricky Hatton. Declared Emeritus Champion by the WBC. Reclaimed the title in 2011 by defeating Victor Ortiz. Retired at 49–0 in 2015; returned in 2017 for non-title McGregor fight and then retired again.
WBA 2014–2015 3
Light middleweight WBC 2007, 2013–2015 1
2012–2015
Jack McAuliffe[9] 27–0–10 Lightweight World 1886–1893 9 Title defences consist of seven wins and two draws.
Sven Ottke[4] 34–0 Super middleweight IBF 1998–2004 21
WBA 2003–2004 4 Defended IBF title and defeated WBA champion to become WBA Super champion.
Dmitry Pirog 20–0 Middleweight WBO 2010–2012 3 Retired from boxing due to chronic spinal injuries.
Harry Simon[10] 31–0 Light middleweight WBO 1998–2001 4 Vacated title to move up to middleweight.
Middleweight WBO 2002 0 Won WBO interim middleweight title in 2001 and the outright title in 2002. Stripped of title at 22–0 when he was unable to defend it due to injuries suffered in a car crash. Had others non-title fights before retiring.
Pichit Sitbangprachan[10] 24–0 Flyweight IBF 1992–1994 5 Retired at 21–0 and then made a comeback.
Edwin Valero[11] 27–0 Super featherweight WBA 2006–2008 4 Vacated title to move up to lightweight.
Lightweight WBC 2009–2010 2 Vacated title to move up to light welterweight. Committed suicide after allegedly killing his wife in 2010. All 27 fights were knockout wins.
Andre Ward[12] 32–0 Super middleweight WBA 2009–2015 6 Vacated titles in 2015 to move up to light heavyweight.
WBC, The Ring 2011–2015 1 (WBC), 2 (The Ring)
Light heavyweight WBA, WBO, IBF, The Ring 2016–2017 1 (WBA, WBO, IBF), 0 (The Ring)

Undefeated female champions

Includes world titles from sanctioning agencies outside of WBA, WBC, WBO, IBF and outside of The Ring. Female world titles were inaugurated by the IBF, WBA, WBC, and WBO in 2010, 2004, 2005, and 2009 respectively. The Ring began awarding titles to women in 2019 and six of the fifteen weight classes are still uninaugurated (as of September 30, 2022).

Boxer Record Weight class Title(s) Championship years Title defenses Notes
Michele Aboro[13] 21–0 Super bantamweight WIBF 2000–2001 3
Nicola Adams[14] 5–0–1 Flyweight WBO 2019 1 Retired due to medical concerns.
Laila Ali 24–0 Super middleweight IBA, WIBF 2002–2004 4 (IBA), 2 (WIBF) Inaugural IBA women's super-middleweight title.
WIBA 2002–2007 5
WBC 2006–2007 2 Inaugural WBC women's super-middleweight title.
Light heavyweight WIBF 2004 0
Natascha Ragosina 22–0 Super middleweight WIBF 2005–2009 10
GBU 2006–2009 7
WBA, WBC, WIBA 2007–2009 6 (WBA), 4 (WBC), 2 (WIBA) Inaugural WBA women's super-middleweight title.
IWBF 2008–2009 0
Heavyweight WIBF, WBF 2009 0 Won the inaugural WBF women's heavyweight title, and the only title fight in the division, that was until Clarresa Shields won the Vacant title in July 27 2024 against Vanessa Lepage-Joanisse.
Lucia Rijker 17–0 Super lightweight, Junior welterweight WIBF, WIBO 1997–1998 0
Kara Ro 18–0 Lightweight WIBA 2005 0 Vacated title.
Wang Ya Nan 8–0 Middleweight WIBA 2007–2009 3
WBC 2008–2009 2
Seniesa Estrada 26–0 Mini flyweight, Light flyweight, Flyweight WBC, WBA, WBO, IBF, The Ring 2018–2024 8
Ryu Myung-Ok 5–0–1 Super flyweight WBC 2005 2007-2008 2 Title vacated due to inactivity.
Kim Kwang-Ok 5–0 Bantamweight WBC 2005-2006 2 Title vacated due to inactivity.
Eun Soon-Choi 3‐0 Light flyweight WBC 2005-2006 0 Title vacated due to inactivity.
Mako Yamada 7–0 Mini flyweight WBO 2014 0 Yamada submitted a retirement notification to the Japanese Boxing Commission on 31 May 2014. The belt was vacated on the same day.
Kasumi Saeki 4–0 Mini flyweight WBO 2019 0
Gao Li Jun 3–0 Featherweight WBA 2006 0
Emanuela Pantani 10–0 Bantamweight WBA 2008 0
Alejandra Jiménez 12–0–1 1 NC Heavyweight WBC 2016-2017 2
Giselle Salandy 16–0 Super welterweight WBC, WBA 2006–2009 5 Salandy died in a motor vehicle collision on the morning of 4 January 2009
IWBF 2006–2009 2
WIBA 2007–2009 3
WIBF 2008–2009 1
Paola Gabriela Casalinuovo 12–0 Super welterweight IBF 2014 1
Jenifer Alcorn 18–0 Lightweight WIBF 2002–2004 0
IWBF 2003–2004 0
WIBA 2003–2004 0
Clara Lescurat 11-0 Super Flyweight WBA 2022–2024 4

See also

Notes and references

Notes

  1. ^ Stripped of the IBF title on November 9, 2023.

References

  1. ^ "Jimmy Barry". Cyber Boxing Zone. Retrieved December 27, 2014.
  2. ^ "Undefeated Calzaghe quits boxing". BBC Sport. February 5, 2009. Retrieved August 31, 2013.
  3. ^ Mazique, Brian. "Terence Crawford Retires: Where 'Bud' Ranks In G.O.A.T Debate". Forbes. Retrieved December 17, 2025.{{cite web}}: CS1 maint: deprecated archival service (link)
  4. ^ a b c d e "US elite join race for Calzaghe". BBC Sport. November 17, 2008. Retrieved August 31, 2013.
  5. ^ a b Justin Tate (June 20, 2011). "Boxing: David Haye and 7 Greatest Fighters to Retire with Less Than 30 Bouts: People Who Did Not Make My List at All". Bleacher Report. Retrieved August 31, 2013.
  6. ^ "Jamili Takes Strawweight Title". The New York Times. Bloomberg News. 20 December 1997. Retrieved December 27, 2014.
  7. ^ "Undefeated heavyweight boxing champion, boxing". Guinness World Records. Retrieved August 31, 2013.
  8. ^ Undefeated Floyd Mayweather confirms retirement, Sky Sports, 13/09/2015
  9. ^ "Jack McAuliffe". Cyber Boxing Zone. Retrieved December 27, 2014.
  10. ^ a b Michael Rosenthal. "10: Boxers who finished careers undefeated". The Ring magazine. Retrieved August 31, 2013.
  11. ^ Justin Tate (June 20, 2011). "Boxing: David Haye and 7 Greatest Fighters to Retire with Less Than 30 Bouts: 7. Edwin Valero". Bleacher Report. Retrieved August 31, 2013.
  12. ^ Graham, Bryan Armen (21 September 2017). "Andre Ward, boxing's pound-for-pound world No1, announces shock retirement". The Guardian. Retrieved 21 September 2017.
  13. ^ "Where are They Now: Retired World Champion Michele Aboro!". Women Boxing. Retrieved 2019-12-03.
  14. ^ "Nicola Adams: Two-time Olympic champion retires over fears for her sight". BBC Sport. November 6, 2019. Retrieved November 6, 2019.
allikas: https://en.wikipedia.org/wiki/List_of_undefeated_world_boxing_champions