Juan López Leyva
Juan López debuted in the Cuban Serie Nacional for Isla de la Juventud in 2011-2012, going 7-7 with a save and a 4.33 ERA but walking 46 in 79 innings. In 2012-2013, the righty had a 1-3, 4.13 record with 40 walks in 48 IP in a shortened schedule. He led the league in walks, one ahead of Darién Núñez.
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