Fabrizio Grillo

Grillo began playing football at joined Lazio academy, he left them in 2001 to join rivals Roma, becoming a member of the first team squad at age 16. Before a loan spell at Sambenedettese he left Roma to join Arezzo in 2007, where he played 39 games. He joined Crotone on loan during the 2009–10 season, playing 18 times. In 2010, he moved to Bulgarian side CSKA Sofia, where he plays in the UEFA Europa League, debuting September 30, 2010 in the home game against FC Porto, the game finished 0–1. Grillo was part of the squad which won the Bulgarian Cup under manager Milen Radukanov. In summer 2011 signed a three-year deal with Serie B side Varese.

Siena

After impressing at Varese, In January 2013, Grillo joined Serie A side Siena on a co-ownership deal. He made his debut against Juventus in Serie A. On May 12, 2013 in the 2–1 loss against S.S.C. Napoli, Grillo scored his first goal in the top flight with a left footed strike. However, Siena were relegated to Serie B at the end of the 2012/13 season. In January 2014, Grillo rejoined Varese on loan until the end of the season, helping Varese stay in the division after beating Novara in the relegation playoffs. After returning from loan, Grillo was released by Siena with Siena later announcing they were bankrupt. Siena also received the remaining 50% registration rights of Grillo from Varese.

Pescara

In August 2014, Grillo revealed after interest from Leeds United F.C. and Wolverhampton Wanderers F.C. that he…

Grillo was capped by Italy, from Italy U-15 to Italy U-17 level.

Bulgarian Cup 2010/11 with CSKA Sofia