The Mexican machine makes his mark - Sports Illustrated Vault | SI.com
Ruben Castillo: Record & Stats
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Challenger Ruben Olivares lands a left to chin of bantamweight champion Chucho Castillo during first round of their title bout at the Forum in Los Angeles April 2, 1971. (AP Photo Stock
Throwback Thursday: Lionel Rose Defends Against Chucho Castillo, Chaos Follows - Queensberry Rules
Boxer Ruben Castillo came in to talk about a program he was promoting for kids. Good guy. | A good man, Boxer, Guys
Arguello vs Castillo -- Another KO For "El Flaco Explosivo"
Ruben Olivares vs. Chucho Castillo (1st meeting) - BoxRec