Campeones sin Corona - Mario "Azabache" Martinez (México) - Golden Era Boxing
Best I Faced – Mario Martinez - The Ring
Vince Martinez, One of Boxing's Forgotten Warriors – IBRO
BoxRec: Mario Martinez
Boxer: SERGIO MARTINEZ
Mario Martínez (boxer) - Alchetron, The Free Social Encyclopedia
Azumah Nelson describes bout with Mario Martinez as toughest in his career - Asaase Radio
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Azumah Nelson vs Mario Martinez I - YouTube
Vince Martinez, One of Boxing's Forgotten Warriors – IBRO
Best I Faced – Mario Martinez - The Ring
Lautaro Martinez, l'Inter: il Toro, la compagna modella, il fratello malato di epilessia, la canzone: le cose che non sapete sull'attaccante - Corriere.it
Mario Martinez Vela | Boxer Page | Tapology
Mario Martinez (@mariomart91) / X
Mario Martínez: Record & Stats
Boxeo y Mas - Prayers for Polo Chico Martinez , boxing is... | Facebook