Career
Pietrobon came through the youth system of Rosario Central, but before making his first team debut, he was transferred to California San Martín, he then had a spell with Central Córdoba before signing with the Bulgarian club Pirin Blagoevgrad. After 2 seasons with Pirin he signed CSKA Sofia. Pietrobon underwent trials with Football Club BATE Borisov, as CSKA Sofia had reached the limit of non-European Union players they could use on the field, but the talks with the Belarusians eventually failed to materialize and he returned to CSKA Sofia.
On the 7th of September 2009, Pietrobon terminated his contract with CSKA with immediate effect after a meeting with the club"s bosses.
A few days later, he signed with Sportist Svoge for one year.