Home Jaime Munguia vs John Ryder – Big Fight Preview & Predictions Collazo is one of Golden Boy's brightest stars (Photo Credit: Cris Esqueda/Golden Boy Promotions)

Collazo is one of Golden Boy’s brightest stars (Photo Credit: Cris Esqueda/Golden Boy Promotions)

Oscar Collazo defends his minimumweight world title on Saturday night

Collazo is one of Golden Boy’s brightest stars (Photo Credit: Cris Esqueda/Golden Boy Promotions)

Jaime Munguia takes on John Ryder in Phoenix on Saturday Photo Credit: Cris Esqueda/Golden Boy Promotions

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