Frankie Negrón | Wilfredo Gómez | Wilfredo Vázquez | Joe Negron | Chuck Negron |
Among the fighters he lost to during that phase of his career were Tracy Spann, James McGuirt, Todd Foster, Santos Cardona, Stephan Johnson, Glenwood Brown, Willy Wise (who would go on to beat Chávez and lose to the Mexican fighter in a rematch) Ray Oliveira and, in Santana's last fight, Wilfredo Negron.