|Date of birth||20-01-1969|
|Seasons in Monza||2004-2008|
|Caps and goals||128(3)|
Defender with strong tactics, he made his Serie D debut in the 1986/87 season with Saronno. The 30 appearances and 1 goal earned him the transfer to Turin for the next two seasons, which however proved disappointing due to his non-use in the team. In the 1989/1990 season I return to limestone the playing fields with Casarano in Serie C1, gaining 34 appearances and 4 goals. The following year he landed in Taranto where he stayed for two seasons. In 1993/1994 he returned to play near home, in Solbiate where he collected 49 appearances and 3 goals in the following two years. From that moment Zaffaroni's career developed on the Lombard axis Legnano, Saronno, Busto Arsizio, Monza where he landed in the 2004/2005 season bringing the red and white team from C2 to touch Serie B twice.
Retired in the 2008 season, he first played the role of coach in second to Giovanni Pagliari and then took his place on the Perugia bench.