Aparicio was a manager and instructor for both professional and amateur baseball. He played with several teams during the 1930s and early 1940s, while managing the National Team in international competition and leading Gavilanes BBC to nine championship titles in the Zulian Professional League, setting a record for the most titles won by a manager in Venezuelan baseball history.[2]
Aparicio managed the Sabios de Vargas team and founded a youth baseball academy in which he trained dozens of teenage boys including his nephew Luis Jr. and future major league manager Ozzie Guillén.[1]