Career
Sgrigna started his career at Rome for Lodigiani. He played for Internazionale youth team before back to Rome. Vicenza
He then signed by Vicenza in mid of 1999.
He also co-owned with Verona from 1999 to 2002.
He played 3 league matches before loaned out in 2000-2001 season, which he stayed from June to October 2000. Returned to Vicenza in 2001, he started to play regularly, collected 24 league appearances but in next season just played twice in 2002-2003 Serie B until left the club in January 2003.
Cittadella
Sgrigna was loaned to Cittadella of 2002-2003 Serie C1 in mid of the season. He was signed in another co-ownership deal along with Stefano Mazzocco at the start of 2003-2004 season, played another 57 league matches for Cittadella.
Vicenza (2)
Sgrigna made 33 appearances and 4 goals in 2005-2006 Serie B. After he scored nil in 2006-2007 season, Sgrigna was loaned to Bari of the same league.
Triestina
In July 2007 he went on loan to Triestina, for €100,000, also from Serie B, coached by Rolando Maran, the same coach at Bari. Triestina bought him in co-ownership deal (exchanged with Emiliano Testini, both tagged for €900,000) in January 2008 but in June Vicenza bought back Sgrigna again, for €500,000 (while Testini was tagged for €480,000). Vicenza (3)
Torino
In August 2010 he was exchanged with Elvis Abbruscato.
Sgrigna was valued €1.32 million and Abbruscato for €1.2 million.
International career
He is capped for Italian U16 team, U17 team and U18 team He played at 1999 Union of European Football Associations European Under-18 Football Championship that lost to Portugal in the final.