Career
He can also play as a defensive player in midfield. He started his career at Associate of Science Roma. He was loaned to Serie B team United States. Triestina Calcio on 2003-2004 season.
Parma
In summer 2004, he was involved in Matteo Ferrari transfer, which half of the registration rights was sold to Parma F.C., for €750,000.
In June 2007, all of the rights was bought by Parma by a sum of €350,000. Udinese
In August 2007 Ferronetti was sold to Udinese Calcio for €2 million, with Damiano Zenoni moved to Parma for €3 million.
In 2008-2009 season, he competed the right-back position with Marco Motta as the left back were occupied by Aleksandar Luković and Giovanni Pasquale. In 2009-2011 seasons he never played for two anterior cruciate ligaments injury, in the same knee.
Genoa
On 19 July 2012, he joined Torino F.C. on a two-year contract.
30 July 2012, left Torino. He was signe by Genoa C.F.C. on 31 August in a one-year deal. Ternana
On 8 August 2013 Ferronetti was signed by Ternana in a one-year contract.
His contract was renewed on 1 August 2014.
International career
He was in the squad of 2006 Union of European Football Associations European Under-21 Football Championship, but did not played any matches. He started his national career at 2001 Union of European Football Associations European Under-16 Championship (now renamed to U17 event but with the same age limit).