In 1974, del Llano spent a single season with the Washington Diplomats of the North American Soccer League.

[8] United States 1984 Coached and played for local amateur team Sporting Peru in Miami, Florida.

1986 Del Llano coached and founded local amateur team Inter Miami, in Florida.

2002 Named coach of Club Deportivo San José of the first division professional league in Bolivia (LFPB).

[14] 2003 Coached Liga Mercosur All-Star Team U-20 Championship in Piracicaba, São Paulo, Brazil.

[16] 2010 Coached Club Deportivo Bata which won the Regional Championship after 31 years, and qualified for Copa Simón Bolívar.