Guillermo Barros Schelotto is an Argentine football manager and former forward who recently was the manager of Paraguay national team. Barros Schelotto played 16 years of his professional career in the Argentine Primera División (6 with Gimnasia La Plata and 10 with Boca Juniors). With these two teams, he won a total 17 official titles (one with Gimnasia and 16 with Boca). Wikipedia