Bella made his league debut for Vélez Sársfield on a 0–0 draw against Independiente on 8 June 2008, during the penultimate fixture of that year's Clausura tournament.
[2] Bella played 13 games in Vélez' 2010 Apertura runner-up campaign,[3] mainly replacing Augusto Fernández on the right wing when the former was injured.
[4] In 2013, the winger suffered an epilepsy seizure on the field,[5] but quickly recovered and started for Vélez in the 2012–13 Superfinal victory against Newell's Old Boys.
In July 2013, Bella moved to Mexican club Chiapas F.C., that purchased 50% of his transfer rights from Vélez for a fee of approximately US$2 million.
In 2012, Bella was called by coach Alejandro Sabella for a senior national team formed solely by local league players, although he did not play any games.