Matías Nicolás Marín Vega (born 19 December 1999) is a professional footballer who plays as a midfielder for Unión Española on loan from Argentine club Belgrano.
He joined Santiago Wanderers Youth Team at the age of 11.
[1] He signed his first professional contract on June 30, 2018,[2] but he had made his official debut in the 2018 Primera B match against Cobreloa on June 3.
[4] After playing for O'Higgins in 2022–23, Marín moved to Argentine Primera División side Belgrano in the second half of 2023.
[5] In January 2025, he was loaned out to Unión Española for a year.