/
| Champion | Won | Lost | Days |
|---|---|---|---|
| Carlos Adames | 7 May 2024 | Current | 897 |
| Jermall Charlo | 26 Jun 2019 | 7 May 2024 | 1,777 |
| Canelo Álvarez | 15 Sept 2018 | 26 Jun 2019 | 284 |
| Gennady Golovkin | 18 May 2016 | 15 Sept 2018 | 850 |
| Canelo Álvarez | 21 Nov 2015 | 18 May 2016 | 179 |
| Miguel Cotto | 7 Jun 2014 | 17 Nov 2015 | 528 |
| Sergio Martínez | 15 Sept 2012 | 7 Jun 2014 | 630 |
| Julio César Chávez Jr. | 4 Jun 2011 | 15 Sept 2012 | 469 |
| Sergio Martínez | 17 Apr 2010 | 18 Jan 2011 | 276 |
| Kelly Pavlik | 29 Sept 2007 | 17 Apr 2010 | 931 |
| Jermain Taylor | 16 Jul 2005 | 29 Sept 2007 | 805 |
| Bernard Hopkins | 14 Apr 2001 | 16 Jul 2005 | 1,554 |
| Keith Holmes | 24 Apr 1999 | 14 Apr 2001 | 721 |
| Hacine Cherifi | 2 May 1998 | 24 Apr 1999 | 357 |
| Keith Holmes | 16 Mar 1996 | 2 May 1998 | 777 |
| Quincy Taylor | 19 Aug 1995 | 16 Mar 1996 | 210 |
| Gerald McClellan | 8 May 1993 | 5 Jan 1995 | 607 |
| Julian Jackson | 24 Nov 1990 | 8 May 1993 | 896 |
| Roberto Durán | 24 Feb 1989 | 11 Jan 1990 | 321 |
| Iran Barkley | 6 Jun 1988 | 24 Feb 1989 | 263 |
| Thomas Hearns | 29 Oct 1987 | 6 Jun 1988 | 221 |
| Vito Antuofermo | 30 Jun 1979 | 16 Mar 1980 | 260 |
| Hugo Corro | 22 Apr 1978 | 30 Jun 1979 | 434 |
| Bennie Briscoe | 5 Nov 1977 | 22 Apr 1978 | 168 |
| Carlos Monzón | 26 Jun 1976 | 29 Aug 1977 | 429 |
| Rodrigo Valdez | 25 May 1974 | 26 Jun 1976 | 763 |
| Carlos Monzón | 7 Nov 1970 | 23 Apr 1974 | 1,263 |
| Nino Benvenuti | 4 Mar 1968 | 7 Nov 1970 | 978 |
| Emile Griffith | 25 Apr 1966 | 4 Mar 1968 | 679 |
| Dick Tiger | 21 Oct 1965 | 25 Apr 1966 | 186 |
| Joey Giardello | 7 Dec 1963 | 21 Oct 1965 | 684 |
Built from title bouts on record. Vacated or stripped titles are not visible in bout results, so very recent changes can lag.
