|Full name||Humberto de la Cruz Núñez Cubillas|
|Date of birth||3 May 1945|
|Place of birth||Asunción, Paraguay|
|Date of death||23 July 2004(aged 59)|
|Place of death||Orihuela, Spain|
|Height||1.89 m (6 ft 2 1⁄2 in)|
|1957–1960||River Plate (Asunción)|
|1957–1965||River Plate (Asunción)|
|1966–1967||Sol de América|
|1975–1976||→ CD Málaga (loan)||24||(0)|
|* Senior club appearances and goals counted for the domestic league only.
Humberto came to Spain through the Hércules CF. He kept goal for Hércules for ten years, one of them loan to CD Málaga. He helped Hércules win two promotions from the Third Division to Second and Second to the First Division.
After his retirement as a player, he became the "house coach". He was placed on the lower grades, director of football, the second first-team coach, and was mainly devoted to training of first-team goalkeepers. On several occasions he was caretaker manager first team.
Humberto died after a heart attack in his sleep while he was napping in his hotel room where the Hércules was preparing the pre-season in July 2004. In Alicante, he was considered a very dear person, having worked for the Hércules for 35 years and died while serving the club.