Oscar Collazo

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Video: Oscar Collazo gears up for title defense against Jesus Haro

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Arnold Barboza Jr faces Kenneth Sims Jr in Anaheim this March – Tickets

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Oscar Collazo vs Jayson Vayson: Full card video highlights

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Photos: Oscar Collazo retains unified title with TKO over Jayson Vayson

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Live results: Oscar Collazo TKO’s Jayson Vayson to retain title – Video

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Photos: Collazo and Vayson make weight for 105-pound unified title

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Video: Collazo vs Vayson – Weigh-in

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Video: Collazo vs Vayson – Press Conference

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Video: Watch Oscar Collazo on ‘Road to Undisputed’

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Gabriela Fundora faces Alexas Kubicki – Full Collazo vs Vayson undercard confirmed