Born in Mirano, Veneto, Favaro started his youth career at A.C. Milan[1] of Lombardy, where he played for five years from the 1998/99 to the 2002/2003 season.
That season, Favaro (€1M), Marco Donadel (€2M), and Mirko Stefani (€1M) of Milan were swapped for Roberto Massaro (€2M), Filippo Porcari (€1M) and Luca Ferretti (€1M).
Favaro played a season at Primavera Team, where he was again trained by his former coach Davide Ballardini as well as scoring 6 goals in 12 matches.
[3] In his first season, he played at S.S. Sambenedettese where he was trained for the third time by Ballardini, and the club reached third place in rank.
[4] In 2008–09 season, Favaro played for Chieti of Serie D, the 5th level and top of regional league and non-professional football.