A Cuban League and Negro leagues star, Mendez compiled a 76-28 record 13 seasons in Cuba, pitching for Almendares, Santa Clara and Matanzas.
This charcoal sketch by a Bohemia magazine artist named Rivadulla was up for auction at Leland's in June 2005. The penciled notation at the bottom reads: "Publicado Feb. 12 de 1950 Bohemia Ano 42 Num. 7," "Published Feb. 12, 1950, Bohemia Year No. 42, Issue No. 7."