Guillermo Barros Schelotto is an Argentine football manager and former forward who most recently was the manager of the Paraguay national team. Barros Schelotto played 16 years of his professional career in the Argentine Primera División (six 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