In the 2007 season, Cintrón was the assistant coach of Guillermo Vecchio for the Maratonistas.
Guillermo del Toro | Palazzo Vecchio | Guillermo Dávila | Guillermo Arriaga | Porto-Vecchio | Guillermo Vilas | Guillermo Kuitca | Guillermo Francella | Guillermo Estévez Boero | Ponte Vecchio | Palma Vecchio | Guillermo Somoza | Guillermo Söhnlein | Guillermo José Garlatti | Guillermo Gómez-Peña | Guillermo Buitrago | San Guillermo Parish Church | José Guillermo Rodríguez | Gunnar Guillermo Nielsen | Guillermo Vecchio | Guillermo Thorndike | Guillermo Ruiz | Guillermo Rodríguez | Guillermo Rigondeaux | Guillermo Pérez Roldán | Guillermo Navarro | Guillermo Mota | Guillermo Meza | Guillermo Mendizábal | Guillermo Leaden |