Roberto Di Matteo is an Italian professional football manager and former player. A midfielder, he played for Swiss clubs Schaffhausen, Zürich and Aarau early in his career. After winning the Swiss league title with Aarau in 1992–1993, he joined Serie A team Lazio where he played under managers Dino Zoff and Zdeněk Zeman. After three seasons at Lazio, he joined Chelsea in 1996 for a £4. Wikipedia