[1] Starting his career in Argentina, Galán moved to Guatemala in 2013, at Deportivo Coatepeque, helping them gain promotion to the Liga Nacional de Fútbol.

[2] Galán then joined the youth club Racing, playing alongside players such as Gabriel Mercado, Maximiliano Moralez, and Sergio Romero.

[3] Galán began his senior career aged 17 at Deportivo Guaymallén in the Liga Mendocina de Fútbol [es], winning the league title in 2005.

[10] He helped his side gain promotion to the Liga Nacional de Fútbol, scoring six goals in 14 games.

[2][1] After six months in Guatemala, Galán signed for Football League Greece (second-tier) club Kallithea,[11] where he made 22 appearances, scoring eight goals and assisting three.