[1] Barrientos started his playing career in 1994 with C.A.I in the lower leagues of Argentine football.

Atlético was relegated after one season, but Barrientos stayed in the Argentine Primera Division, playing for Olimpo de Bahía Blanca and then Instituto de Córdoba.

In 2006 Barrientos signed for Huracán and was part of the squad that won promotion to the Primera at the end of the 2006–2007 season.

In 2009 Barrientos was released by Huracán, he then moved to Rosario to join Newell's Old Boys.

This biographical article related to an Argentine association football midfielder born in the 1970s is a stub.