Sandy Mejía is a six-foot, 160 lb. right-handed pitcher from Monte Plata, DR. Born on January 3, 2004, he signed with Houston to his first professional contract just after his 18th birthday, on January 15. Prior to the start of the abbreviated rookie leagues, he was assigned to the DSL Astros Blue squad.
Through his first professional season, Mejia pitched in 12 games, starting seven of them. His best performance, by far, was on July 13 in a 2-0 Astros win over the DSL Mariners. Mejia held the M’s scoreless through 7 2⁄3 innings, striking out 12 while allowing only three hits.