Guillermo Martínez Ayala (born 15 March 1995), commonly known as "Memo Martínez", is a Mexican professional footballer who plays as a forward for Liga MX club UNAM and the Mexico national team.
International career Martínez made his debut for the senior Mexico national team on 16 December 2023 in a friendly against Colombia and scored a goal in a 2–3 home loss.
