Roberto Durán
In 2001, Romero wrote a book named "Roberto Durán y Julio César Chávez: Los Dos Mejores Pugiles Latinos del Milenio Quien Fue El Mejor Boxeador?". in this book, he discussed his opinion about who was better between Roberto Durán, a Panamanian multiple time world champion, and Julio César Chávez, a Mexican multiple time world champion. He also credited Wilfredo Gómez, Félix Trinidad, Wilfred Benítez, Carlos Monzon and Ricardo López as being other great Latino fighters in this book.