Background
Pettinari was born in Rome, and made his debut for Roma first team on 16 December 2009, in an Union of European Football Associations Europa League game against PFC CSKA Sofia.
Pettinari was born in Rome, and made his debut for Roma first team on 16 December 2009, in an Union of European Football Associations Europa League game against PFC CSKA Sofia.
Roma
Then he made his Serie A debut on 20 March 2010, when he came on as a substitute for Jérémy Menez in the 87th minute of the game against Udinese. He spent the first part of the 2010-2011 season on loan to Serie B club Siena, but he didn"t find any occasion to play so in January 2011 he came back to Roma, where he trained with the first team Crotone
On July 2011 he has been sent on loan to Serie B club Crotone for the 2011-2012 season.
In June 2012 Crotone excised the option to buy him in a co-ownership deal for €250,000.
In June 2014 he returned to Roma for €500,000. Return to Roma
On 24 July 2015 he was signed by Vicenza.
He wore no.9 shirt for 2015-2016 Serie B, but on 5 September given to Nicola Pozzi. Pettinari took no.20 shirt from Srđan Spiridonović instead.
On 13 January 2016 he was signed by Como.
He has already played for U-16, U-17 and U-19 national teams.