/
| Champion | Won | Lost | Days |
|---|---|---|---|
| Teófimo López | 22 Aug 2026 | Current | 60 |
| Rolando Romero | 1 Aug 2025 | 21 May 2026 | 293 |
| Eimantas Stanionis | 30 Aug 2024 | 12 Apr 2025 | 225 |
| Terence Crawford | 29 Jul 2023 | 30 Aug 2024 | 398 |
| Yordenis Ugás | 29 Jan 2021 | 16 Apr 2022 | 442 |
| Manny Pacquiao | 20 Jul 2019 | 29 Jan 2021 | 559 |
| Keith Thurman | 19 Jan 2016 | 7 Feb 2017 | 385 |
| Marcos Maidana | 14 Dec 2013 | 3 May 2014 | 140 |
| Paulie Malignaggi | 30 Apr 2012 | 22 Jun 2013 | 418 |
| Shane Mosley | 24 Jan 2009 | 21 May 2010 | 482 |
| Miguel Cotto | 2 Dec 2006 | 26 Jul 2008 | 602 |
| Zab Judah | 5 Feb 2005 | 7 Jan 2006 | 336 |
| Cory Spinks | 13 Dec 2003 | 5 Feb 2005 | 420 |
| Ricardo Mayorga | 30 Mar 2002 | 25 Jan 2003 | 301 |
| Andrew Lewis | 17 Feb 2001 | 30 Mar 2002 | 406 |
| James Page | 10 Oct 1998 | 27 Sept 2000 | 718 |
| Ike Quartey | 4 Jun 1994 | 19 Aug 1998 | 1,537 |
| Crisanto España | 31 Oct 1992 | 4 Jun 1994 | 581 |
| Meldrick Taylor | 19 Jan 1991 | 31 Oct 1992 | 651 |
| Aaron Davis | 8 Jul 1990 | 19 Jan 1991 | 195 |
| Mark Breland | 4 Feb 1989 | 8 Jul 1990 | 519 |
| Marlon Starling | 22 Aug 1987 | 29 Jul 1988 | 342 |
| Lloyd Honeyghan | 27 Sept 1986 | 5 Jan 1987 | 100 |
| Donald Curry | 13 Feb 1983 | 27 Sept 1986 | 1,322 |
| Sugar Ray Leonard | 16 Sept 1981 | 9 Nov 1982 | 419 |
| Thomas Hearns | 2 Aug 1980 | 16 Sept 1981 | 410 |
| José Cuevas | 17 Jul 1976 | 2 Aug 1980 | 1,477 |
| Ángel Espada | 28 Jun 1975 | 17 Jul 1976 | 385 |
| José Nápoles | 4 Jun 1971 | 16 May 1975 | 1,442 |
| Billy Backus | 3 Dec 1970 | 4 Jun 1971 | 183 |
| José Nápoles | 18 Apr 1969 | 3 Dec 1970 | 594 |
| Curtis Cokes | 24 Aug 1966 | 18 Apr 1969 | 968 |
| Emile Griffith | 8 Jun 1963 | 10 Jun 1966 | 1,098 |
| Emile Griffith | 24 Mar 1962 | 21 Mar 1963 | 362 |
| Benny Paret | 30 Sept 1961 | 24 Mar 1962 | 175 |
| Benny Paret | 27 May 1960 | 1 Apr 1961 | 309 |
| Don Jordan | 5 Dec 1958 | 27 May 1960 | 539 |
| Carmen Basilio | 12 Sept 1956 | 23 Sept 1957 | 376 |
| Carmen Basilio | 10 Jun 1955 | 14 Mar 1956 | 278 |
| Johnny Saxton | 20 Oct 1954 | 1 Apr 1955 | 163 |
| Kid Gavilán | 18 May 1951 | 20 Oct 1954 | 1,251 |
| Sugar Ray Robinson | 20 Dec 1946 | 15 Feb 1951 | 1,518 |
| Fritzie Zivic | 4 Oct 1940 | 29 Jul 1941 | 298 |
| Henry Armstrong | 31 May 1938 | 4 Oct 1940 | 857 |
| Barney Ross | 28 May 1935 | 31 May 1938 | 1,099 |
| Jimmy McLarnin | 17 Sept 1934 | 28 May 1935 | 253 |
| Jimmy McLarnin | 29 May 1933 | 28 May 1934 | 364 |
| Jackie Fields | 28 Jan 1932 | 22 Feb 1933 | 391 |
| Tommy Freeman | 5 Sept 1930 | 14 Apr 1931 | 221 |
| Jackie Fields | 25 Mar 1929 | 9 May 1930 | 410 |
| Joe Dundee | 3 Jun 1927 | 22 Mar 1929 | 658 |
| Pete Latzo | 20 May 1926 | 3 Jun 1927 | 379 |
| Mickey Walker | 1 Nov 1922 | 20 May 1926 | 1,296 |
Built from title bouts on record. Vacated or stripped titles are not visible in bout results, so very recent changes can lag.
