5th Title Defense
8/7/04
Diego Corrales TKO 10 Acelino Freitas
Connecticut
6/7/93
Zack Padilla UD 12 Carlos González
Nevada
1/3/04
Acelino Freitas UD 12 Artur Grigorian
Connecticut
6/30/92
Carlos González TKO 2 Jimmy Paul
California
4/13/96
Artur Grigorian KO 12 Antonio Rivera
Germany
9/12/92
Camacho Vacates Title to Challenge
5/18/91
Hector Camacho SD 12 Greg Haugen
De La Hoya vacates Title to move up to
WBC Titlist Julio César Chavez
Junior Welterweight Division
Nevada
5/6/95
Greg Haugen stripped of Title for
Oscar De La Hoya TKO 2 Rafael Ruelas
Nevada
WBO/IBF Unification Title
Failure to Pass Drug Test
7/29/94
Oscar De La Hoya KO 2 Jorge Páez
2/23/91
Greg Haugen SD 12 Hector Camacho
Nevada
3/6/89
Héctor Camacho SD 12 Ray Mancini
Nevada
Nevada
Parisi Vacates Title Moving Up to the
Junior Welterweight Division
9/25/92
LIGHTWEIGHT
4/14/12
Ricky Burns UD 12 Michael Katsidis/
Interim title
Aug-11
Robert Guerrero vacanted title due an
injury
4/9/11
Tony Lopez for WBA Title
Juan Manuel Marquez moved to the Jr.
Welterweight division
11/5/11
Italy
Thobela Vacates Title to Defeat
Ricky Burns became champion
4/14/12
Giovanni Parisi TKO 10 Javier Altamirano
9/22/90
Dingaan Thobela SD 12 Mauricio Aceves
Texas
England
5/6/89
Mauric [