Career
Carreño is a product of the Boca Juniors youth system, he made his debut for the first team in 1998, he played a total of 44 games for the club in all competitions, scoring 8 goals. Carreño had a spell in Mexico with Puebla F.C. and a season in Switzerland with Football Club Thun. He has also played for a number of Argentine clubs including Chacarita Juniors, Nueva Chicago, San Lorenzo, Club Atlético Lanús, Tiro Federal and San Martín ( Statens Järnvägar).
