Despite playing the majority of his career in his native Switzerland, Bellón was once a player for the academy of English Premier League side Aston Villa.
Yagó re-signed for previous club FC St. Gallen where he remained for one season, playing in their under-21 side.
Bellón retired from semi-professional football in 2014 and retrained in the financial sector, and was working at the Thurgauer Kantonalbank in Switzerland in 2019.
[2] His twin brother Damian was also a professional footballer and is now manages MOF Customs United in Thai League 2.
After retirement from football, Yagó commented how his father was incredibly strict and had made him and his brother train in isolation daily from a young age to achieve a professional contract, to the detriment of their school work and social life.