List of undefeated boxing world champions
This list of undefeated boxing world champions excludes current title holders.
| Boxer | Weight class | Championship years | Title defenses | Notes |
|---|---|---|---|---|
| Jimmy Barry[1] | World 118 lbs | 1894-1899 | 6 (3 draws) | Retired undefeated (59-0-9 with 2 NC). |
| Joe Calzaghe[2] | WBO | 1997-2007 | 21 | Vacated title to move up to light heavyweight. |
| IBF/Ring 168 lbs | 2006-2007 | 1 (IBF) 3 (The Ring) |
Unified WBO, IBF and The Ring titles. Vacated IBF title to fight Peter Manfredo, Jr. instead of #1 contender Robert Stieglitz. Vacated The Ring title to move up to light heavyweight. | |
| WBA/WBC 168 lbs | 2007-2008 | 0 | Unified WBO, WBA, WBC and The Ring titles. Vacated titles to move up to light heavyweight. | |
| Ring 175 lbs | 2008 | 1 | Retired undefeated (46-0). | |
| Ji-Won Kim[3] | IBF 122 lbs | 1985-1986 | 4 | Retired undefeated (16-0-2). |
| Mihai Leu aka Michael Loewe[4] |
WBO 147 lbs | 1997 | 1 | Retired undefeated (28-0). Forced to retire from boxing due to an injury. |
| Ricardo López[3] | WBC 105 lbs | 1990-1998 | 21 (1 draw) | Vacated title to move up to junior flyweight. |
| WBO 105 lbs | 1997-1998 | 0 | Unified WBC and WBO titles. Stripped of WBO title for saying he wanted to give the belt to his father.[5] | |
| WBA 105 lbs | 1998 | 0 | Vacated title to move up to junior flyweight. | |
| IBF 108 lbs | 1999-2002 | 2 | Retired undefeated (51-0-1). | |
| Rocky Marciano[3][6] | World heavyweight | 1952-1956 | 6 | Retired undefeated (49-0). |
| Terry Marsh[3][4] | IBF 140 lbs | 1987 | 1 | Retired undefeated (26-0-1). Forced to retire from boxing due to epilepsy. |
| Floyd Mayweather Jr.[7] | WBC 130 lbs | 1998-2002 | 8 | Vacated title to move up to lightweight. |
| WBC 135 lbs | 2002-2004 | 3 | Vacated title to move up to super lightweight. | |
| WBC 140 lbs | 2005-2006 | 0 | Vacated title to move up to welterweight. | |
| WBC/WBA 147 lbs | 2006-2008, 2011-2015 | 8 | Retired undefeated (49-0). | |
| WBC/WBA 154 lbs | 2007, 2012-2015 | 2 | ||
| Jack McAuliffe[8] | World 135 lbs | 1886-1893 | 7 (2 draws) | Retired undefeated (30-0-5 with 1 No decision). |
| Sven Ottke[3] | IBF 168 lbs | 1998-2004 | 21 | |
| WBA "Super"-Super-middleweight 168 lbs | 2003-2004 | 4 | Defended IBF title and defeated WBA champion to become WBA "Super" champion. Retired undefeated (34-0). | |
| Dmitry Pirog | WBO 160 lbs | 2010-2012 | 3 | Retired undefeated (20-0). Forced to retire from boxing due to debilitating back injury. |
| Harry Simon[9] | WBO 154 lbs | 1998-2001 | 4 | Vacated title to move up to middleweight. |
| WBO 160 lbs | 2002 | 0 | Won interim WBO middleweight title in 2001 and the outright title in 2002. Stripped of title when he was unable to defend it due to injuries suffered in a car crash. | |
| Pichit Sitbangprachan[9] | IBF 112 lbs | 1992-1994 | 5 | Retired undefeated (21-0) and then made a comeback, winning three more times before retiring for good (24-0). |
| Edwin Valero[10] | WBA 130 lbs | 2006-2008 | 4 | Vacated title to move up to lightweight. |
| WBC 135 lbs | 2009-2010 | 2 | Vacated title to move up to junior welterweight. Committed suicide after killing his wife in 2010. His record was 27-0 with 27 knockouts. |
References
- ↑ "Jimmy Barry". Cyber Boxing Zone. Retrieved December 27, 2014.
- ↑ "Undefeated Calzaghe quits boxing". BBC. February 5, 2009. Retrieved August 31, 2013.
- 1 2 3 4 5 "US elite join race for Calzaghe". BBC. November 17, 2008. Retrieved August 31, 2013.
- 1 2 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.
- ↑ "Jamili Takes Strawweight Title". New York Times. Retrieved December 27, 2014.
- ↑ "Undefeated heavyweight boxing champion, boxing". Guinness World Records. Retrieved August 31, 2013.
- ↑ Undefeated Floyd Mayweather confirms retirement, Sky Sports, 13/09/2015
- ↑ "Jack McAuliffe". Cyber Boxing Zone. Retrieved December 27, 2014.
- 1 2 Michael Rosenthal. "10: Boxers who finished careers undefeated". The Ring magazine. Retrieved August 31, 2013.
- ↑ 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.
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