Daniel Díaz de León Castillo

Daniel Díaz de León Castillo, better known as Pirelo (8 February 1910 – 1 January 2006), was a Mexican footballer who played as a midfielder for Spanish club Celta de Vigo. He was also a manager.

Club career Pirelo was born in Chihuahua City, Mexico, to Spanish parents, and when he was young, his family moved to Galicia, where he began playing football for , with whom he played three seasons of the Tercera División (1929–30, 1931–32, and 1932–33), and was the Galician amateur champion in 1932–33. His performances eventually drew the attention of Celta de Vigo, then in the Segunda División, who signed him in 1933, thus becoming the first Mexican footballer in the club's history. In Celta's first year in the first team, Pirelo was practically undisputed, playing 19 games out of 22, at a time when substitutions did not exist. He also managed Pontevedra CF in the 1948–49 season.

Honours Celta de Vigo

Galician Championship: Winners (1) 1933–34