Welterweight
| Name: | Date: | Location: | Defenses: |
|---|---|---|---|
| Genaro Leon def. Danny Garcia |
May 6, 1989 | Santa Ana, California, United States | 0 |
| Title vacated | 1989 | ||
| Manning Galloway def. Al Hamza |
December 15, 1989 | Yabucoa, Puerto Rico | 7 |
| Gert Bo Jacobsen | February 12, 1993 | Randers, Denmark | 0 |
| Title vacated | 1993 | ||
| Eammon Loughran def. Lorenzo Smith |
October 16, 1993 | Belfast, Northern Ireland | 5 |
| José Luis López | April 13, 1996 | Liverpool, England, United Kingdom | 1 |
| Title vacated | 1996–1997 | López's only defense was against Luis Ramón Campas on October 6, 1996 in Los Angeles, California, United States. | |
| Mihai Leu def. Santiago Samaniego |
February 22, 1997 | Hamburg, Germany | 1 |
| Title vacated | 1997 | Title vacated when Leu retired. His only defense was against Michael Carruth on September 20, 1997 in Aachen, Germany. | |
| Ahmed Kotiev def. Leonard Townsend |
February 22, 1997 | Stuttgart, Germany | 4 |
| Daniel Santos | May 6, 2000 | Neuss, Germany | 2 |
| Title vacated | July 21, 2001 | Title vacated when a bout between Santos and Antonio Margarito in Bayamón, Puerto Rico ends in a no-contest in the first round. | |
| Antonio Margarito def. Antonio Díaz |
March 16, 2002 | Las Vegas, Nevada, United States | 3 |
| Kermit Cintrón – Interim def. Teddy Reid |
July 17, 2004 | Houston, Texas, United States | 3 |
| Antonio Margarito def. Kermit Cintrón for undisputed title |
April 23, 2005 | Las Vegas, Nevada, United States | 4 |
| Paul Williams | July 14, 2007 | Carson City, California, United States | 0 |
| Carlos Quintana | February 9, 2008 | Temecula, California, United States | 0 |
| Paul Williams (2) | June 7, 2008 | Uncasville, Connecticut, United States | 0 |
| Title vacated | November 2008 | Williams vacated the title to fight for the Jr. Middleweight Title. | |
| Miguel Cotto | February 21, 2009 | Madison Square Garden, New York, United States | 1 |
| Manny Pacquiao | November 12, 2011 | Las Vegas, Nevada, United States | 3 |
| Timothy Bradley | June 9, 2012 | Las Vegas, Nevada, United States | 0 |
Read more about this topic: List Of WBO World Champions