St. Louis Cardinals on X: A Cardinals debut 10 years in the making! Óscar Mercado knocked three hits, scored three runs and stole home during his #STLCards debut! @ANG_Recruiting / X
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Colombian Oscar Mercado scored two home runs in the United States professional baseball season - Infobae
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2018 St. Louis Cardinals Top 10 Prospects — College Baseball, MLB Draft, Prospects - Baseball America
Óscar Mercado shines in first Cardinals start, 10 years after St. Louis drafted him
Mercado has 5 RBIs to lead Cardinals over Dodgers 10-5
Cardinals Sign Óscar Mercado, Four Others To Minor League Deals - MLB Trade Rumors
Mercado has 5 RBIs to lead Cardinals over Dodgers 10-5
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