1971
Oct 6	Carlos Espinosa		Leon, Nicaragua		W 6
-----	Sol Brillante Mitchell	Leon, Nicaragua		KO 3
-----	Carlos Sanchez		Managua			W 6
-----	Carlos Ampie		Granada, Nicaragua	KO 3

1972
-----	Roberto Arias		Chinandega, Nicaragua	W 10
-----	Gerardo Sanders		Managua			KO 2
-----	Monaco Valle		Jinotepe, Nicaragua	KO 1
-----	Frank Darce		Leon, Nicaragua		W 10
-----	Henry Thompson		Chinandega, Nicaragua	KO 5
-----	Freddy Menochal		Chinandega, Nicaragua	W 10
-----	Zapito Menochal		Chinandega, Nicaragua	W 10
-----	Felix Bojorge		Chinandega, Nicaragua	KO 5
-----	Leo Campbell		Chinandega, Nicaragua	W 10

1973
-----	Tarzan Suazo		Esteli, Nicaragua	KO 6
-----	Julio Blanco		Managua			D 10
-----	Pantera Negra		Managua			W 10
-----	Carlos Espinosa		Managua			W 10
Jun 14	Omar Perez		Managua			L 10
Jul 5	Omar Perez		Managua			W 10
Jul 27	Frank Medina		Managua			W 10
-----	Orlando Sinclair	Managua			KO 5
Sep 20	Carlos Espinosa		Managua			KO by 10
-----	Gerardo Sanders		Managua			KO 6
Nov 2	Carlos Espinosa		Managua			W 12
	(Wins Nicaraguan Welterweight Title)

-----	Gerardo Sanders		Masaya, Nicaragua	KO 6

1974
Jan 8	Roberto Arias		Masaya, Nicaragua	KO 8
Feb 4	Adalberto Vanegas	Cartegena, Colombia	D 10
Mar 18	Hernan Grimaldi		Managua			KO 4
Apr 8	Roberto Arias		Managua			W 10
	(Wins Central American Welterweight Title)
-----	Gerardo Sanders		Esteli, Nicaragua	W 10
May 22	Rodolfo Contreras	Costa Rica		KO 10

1975
Feb 7	Edmond Camayagua	Managua			KO 6
	(Retains Central American Welterweight Title)
Apr 18	Carlos Obregon		Bogota, Colombia	KO by 6
-----	Walter Zuniga		San Jose, Costa Rica	W 10
-----	Jose Scott		San Jose, Costa Rica	L 10
Jul 17	Ezequiel Obando		Managua			KO 4

1976
Mar 13	Rodrigo Delgado		Managua			KO 10
	(Wins Central American Jr. Middleweight Title)
May 15	Rosalio Matute		Managua			KO 6
Jul 3	Dino Del Cid		Managua			KO 3
Sep 4	Jorge De Avila		Managua			KO 7

1977
Mar 5	Miguel Angel Castellini Managua			W 15
	(Wins WBA and World Jr. Middleweight Titles)
Jun 8	Koichi Wajima		Tokyo			KO 11
	(Retains World Jr. Middleweight Title)
Sep 14	Kenji Shibata		Tokyo			W 15
	(Retains World Jr. Middleweight Title)
Dec 18	Jae-Keun Lim		Inchon, South Korea	W 15
	(Retains World Jr. Middleweight Title)

1978
Aug 9	Masashi Kudo		Akita, Japan		L 15
	(Loses World Jr. Middleweight Title)

1979
Oct 3	Pedro Cisneros		Managua			W 10
Nov 5	Ezequiel Obando		San Salvador		KO 9
Dec 14	Trombo Machado		San Jose, Costa Rica	KO 5

1980
Jan 19	Carlos Grimaldi		Managua			W 10
Feb 23	Lino Cajina		Managua			KO 10
May 3	Thomas Hearns		Detroit			KO by 1
Sep 5	Edgar Bravo		Managua			KO 1
Sep 20	Miguel Angel Castellini Buenos Aires		KO by 9

1981
Apr 24	Bert Lee		San Francisco		KO by 6
Oct 6	Fulgencio Obelmejias	Caracas, Venezuela	KO by 2

1982
Inactive

1983
Oct 8	John Mugabi		Atlantic City		KO by 4
Dec 1	John Mortensen		Copenhagen		L 6

1984
Mar 17	Julian Jackson		San Juan		KO by 2