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Ranked as a top-40 prospect to start the season, Barreto is now a big-leaguer<p>One of the pieces from the Josh Donaldson trade has been promoted by the Athletics. Middle infielder Franklin Barreto, the top prospect in the A’s system, got the call Saturday and was in the starting lineup in …

Read more at CBS Sports: http://www.cbssports.com/mlb/news/athletics-top-prospect-franklin-barreto-makes-his-mlb-debut-on-saturday/