nicknamed "el chele", barrientos started his career at fas, where he played alongside talented teenagers gilberto murgas and eliseo quintanilla. he then joined c.d. luis ángel firpo with whom he would stay for three years. in 2004, he moved to alianza f.c., only to leave them after a year for once municipal with whom he would win the 2006 apertura. he signed for nejapa f.c. in 2007 and finished his career in december 2009.