1966
Apr 17 Valentin Worrell Colon, Panama KO 1
May 22 Guillermo Porter Colon, Panama W 4
Jul 24 Carlos Harris Colon, Panama D 4
Aug 28 Leroy Carghill Colon, Panama W 4
Sep 25 Luis Mochila Rodriguez Colon, Panama W 4
Dec 3 Herbert Locke Panama City, Panama TK 5
1967
Feb 26 Lazaro Frutos Panama City, Panama TK 2
Apr 1 Santos Pena Panama City, Panama KO 3
May 20 Agustin Cedeno Colon, Panama W 8
Jul 2 Miguel Riasco Colon, Panama L 8
1968
Jan 20 Mario Molo Colon, Panama W 6
Feb 23 Encarnacion Guerrero Colon, Panama W 6
Jun 30 Agustin Cedeno Panama City, Panama L 8
Oct 17 Frank Leroy Caracas, Venezuela W 8
Nov 16 Senen Rios Colon, Panama TK 9
Dec 22 Cammy Beto Colon, Panama W 10
1969
Feb 28 Juvencio Guerrero Colon, Panama KO 5
Mar 22 Eliodoro Pitalua Colon, Panama KO 6
Apr 26 Eugenio Hurtado Colon, Panama TK 6
-Bantamweight Championship of Panama
Jun 1 Eugenio Hurtado Panama City, Panama W 10
Jun 14 Jose Gonzalez Colon, Panama TK 7
Jul 19 Julio Davis Colon, Panama KO 3
Aug 23 Bernardo Caraballo Colon, Panama KO 2
Oct 4 Freddie Rengifo Colon, Panama KO 2
Dec 13 Miguel Riasco Colon, Panama TK 8
1970
Mar 7 Aurelio Muniz Monterrey, Mexico W 10
Mar 20 Chano Herrera Acapulco, Mexico KO 2
May 16 Roberto Duran Panama City, Panama LT 10
Aug 1 Miguel Riasco Panama City, Panama W 12
-Featherweight Championship of Panama
Oct 31 Alfredo Marcano Panama City, Panama W 10
Nov 21 Wilson Yambo Colon, Panama TK 3
1971
Jan 23 Angel Macias Panama City, Panama KO 6
May 4 Alfredo Marcano Caracas, Venezuela W 10
Aug 14 Jose Arranz Panama City, Panama TK 5
Oct 2 Mani Roque Colon, Panama KO 3
Nov 11 Kuniaki Shibata Matsuyama, Japan D 15
-WBC Featherweight Championship of the World
1972
Feb 5 Jose Smecca Panama City, Panama KO 1
Jun 10 Jose Luis Lopez Panama City, Panama KO 1
Aug 19 Antonio Gomez Maracay, Venezuela W 15
-WBA Featherweight Championship of the World
Dec 2 Enrique Garcia Panama City, Panama TK 6
-WBA Featherweight Championship of the World
1973
Mar 17 Leonel Hernandez Maracay, Venezuela L 10
May 19 Ramiro Bolanos Panama City, Panama W 10
Jul 14 Antonio Gomez Panama City, Panama TK 12
-WBA Featherweight Championship of the World
Sep 8 Shigemitsu "Spider" Nemoto Panama City, Panama KO 9
-WBA Featherweight Championship of the World
Dec 5 Samuel Serrano Panama City, Panama W 10
1974
Feb 16 Alexis Arguello Panama City, Panama W 15
-WBA Featherweight Championship of the World
May -Marcel announced his retirement from the ring
*** Assistance Provided By Seth Callis ***