Bellón spent time in the academies of FC St. Gallen and English Premier League side Aston Villa, and appeared for the Switzerland U-21 as a youth player.

On 7 July 2008, Bellón announced he was leaving Aston Villa to head to Liechtenstein to play for FC Vaduz of the Swiss Super League.

Panaitolikos is currently part of the Greek Football League[2] On 25 January 2014 Bellon signed a 6-month contract going on loan to Aiginiakos.

[3] Bellón later moved to Thailand to play professionally with spells at Saraburi, Chiangmai before becoming the first team coach at Ranong United in Thai League 3 in October 2018.

After retirement from football, Yagó commented how their father was incredibly strict and had made him and Damian train in isolation daily from a young age to achieve a professional contract, to the detriment of their school work and social life.