16 Jan 1987
Louie Espinoza beats Tommy Valoy via knockout 4/15
Super Bantamweight (122 lb)
Louie Espinoza becomes the WBA Super Bantamweight world champion
15 Jul 1987
Louie Espinoza beats Manuel Vilchez via knockout 15/15
15 Aug 1987
Louie Espinoza beats Mike Ayala via knockout 9/12
28 Nov 1987
Julio Gervacio beats Louie Espinoza via unanimous decision 12/12
21 May 1989
Jorge Paez and Louie Espinoza share a draw 12/12
Featherweight (126 lb)
11 Nov 1989
Louie Espinoza beats Maurizio Stecca via knockout 7/12
Louie Espinoza becomes the WBO Featherweight world champion
7 Apr 1990
Jorge Paez beats Louie Espinoza via split decision 12/12
31 Mar 1995
Alejandro Gonzalez beats Louie Espinoza via unanimous decision 12/12