Eder | Richard Eder | Guy Éder de La Fontenelle | Frankenberg (Eder) | Éder | John Eder | Éder dos Santos | Linda Eder | Jofre de Foixà |
Making his professional debut as a teenager in 1966, Marcel built up a record of 31-3-1, which included a second round knockout of Bernardo Caraballo, who had previously fought Fighting Harada and Éder Jofre for world titles, and a tenth round TKO loss to a young Roberto Durán, the only stoppage defeat of Marcel's career.