Aledmys Díaz Serrano (born August 1, 1990) is a Cuban professional baseball utility player who is a free agent. He has played in Major League Baseball (MLB) for the St. Louis Cardinals, Toronto Blue Jays and Houston Astros. He played for the Naranjas de Villa Clara in the Cuban National Series from 2007 through 2012, before defecting to the United States. Díaz signed with the Cardinals in 2014, and made his MLB debut with them in 2016.