リンチバーグ・ヒルキャッツ
Castro signed with the Atlanta Braves in 2009 as a free agent. They allowed him to play for the Saraperos de Saltillo of the Mexican League to gain experience in 2012 and 2013. In August 2013, the Braves assigned Castro to the Lynchburg Hillcats of the Class A-Advanced Carolina League.