Born in Linares, Chile, Muñoz had a prolific career in Chile, where he played for Deportes Linares,[2] San Luis, Huachipato, Universidad Católica, Cobreloa, Santiago Wanderers, Audax Italiano, Provincial Osorno and Deportes Antofagasta.
[3] He is considered an idol of San Luis since he won two titles along with the club and took part of the team on three divisions: Primera (1981), Segunda (1981 and 1982) and Tercera (1992).
Over his career, he played alongside great players such as Marcelo Trobbiani, Patricio Yáñez, Pititore Cabrera and Eduardo Gómez.
[8] In 1985, he made four appearances for the Chile national team, scoring a goal in the 1986 FIFA World Cup qualification match versus Paraguay in 17 November.
[9] Muñoz is well known by his nickname Pindinga, a derivation of Pitinga, how people from Linares called to a local bird that used to run over the rivers and lakes.