[1] He also was president of the baseball teams Saraperos de Saltillo in the Mexican Summer League and Tomateros de Culiacán in the Mexican Winter League.

[2] In 1910, Ley's father, Lee Fong, left Guangdong province, China by boat.

When he arrived in Sinaloa city, he "Mexicanized" his name to Juan Ley Fong instead.

The eldest of eight brothers and sisters, Juan Manuel was the CEO of Culiacán Sinaloa Mexico's Based Grupo Ley until his death, which comprises several companies going from Casa Ley SA de CV, one of Mexico's largest retail supermarkets (co-owned by California-based Safeway Inc.), Apparel Stores, Baseball Teams in both Mexican Leagues (Saraperos de Saltillo and Tomateros de Culiacán), Automobile Dealerships, and Del Campo y Asociados, one of the largest producers of fresh tomatoes for export into the United States.

[4] He was elected to the Mexican Professional Baseball Hall of Fame in 2006.