|Date of birth||8 October 1978|
|Place of birth||Turin, Italy|
|Height||1.73 m (5 ft 8 in)|
|2006–2007||→ Cagliari (loan)||38||(1)|
|2008||→ Treviso (loan)||6||(0)|
|2009||→ Parma (loan)||5||(0)|
|* Senior club appearances and goals counted for the domestic league only and correct as of 9 April 2011.
D'Agostino started his career at CND team Lascaris, and joined Serie C2 team U.S. Pro Vercelli Calcio in 1998. He was spotted by Serie B team Treviso F.B.C. 1993 in January 2003 on co-ownership deal, and Treviso obtain full ownership a year later.
D'Agostino was sold to Udinese Calcio in June 2005. However, on 1 July 2005 D'Agostino was sold to Atalanta B.C. in a co-ownership deal for €800,000 in a five-year contract, as part of a mega swap deal with the relegated side. (Manfredini and D'Agostino to Atalanta for €2 million; 50% registration rights of Motta (€2.05 million), Rossini (€450,000) and Morosini; 100% registration rights of Gotti and Natali to Udinese for undisclosed fees.)
On September 2009 he was announced as new signing for Cagliari-based Eccellenza Sardinia club Progetto Sant'Elia. He returned into professionalism only a few months later, joining Ascoli on January 2010.
- Atalanta B.C. S.p.A. bilancio (financial report and accounts) on 30 June 2006 (in Italian), PDF purchased from Italian C.C.I.A.A.
- Atalanta B.C. S.p.A. bilancio (financial report and accounts) on 30 June 2008 (in Italian), PDF purchased from Italian C.C.I.A.A.
- "Udinese sign Atalanta quartet". UEFA.com. 27 June 2005. Archived from the original on 18 January 2016. Retrieved 11 November 2015.
- "Udinese chance for Natali". UEFA.com. 29 June 2005. Retrieved 11 November 2015.
- "Arrivano Pepe e D'Agostino" [Pepe and D'Agostino arrive] (in Italian). Cagliari Calcio. 7 July 2006. Retrieved 24 August 2016.
- "Si va alle buste per Pepe". Cagliari Calcio (in Italian). 2007-06-20. Retrieved 2010-06-05.[permanent dead link]
- "PARRAVICINI ALL'ATALANTA MANZONI E D'AGOSTINO AL PARMA" (in Italian). Atalanta BC. 2009-02-02. Archived from the original on 2010-01-12. Retrieved 2009-02-02.
- "RISOLTO IL CONTRATTO CON D'AGOSTINO" (in Italian). Atalanta BC. 2009-07-18. Archived from the original on 2009-07-24. Retrieved 2009-07-18.
- "UFFICIALE: D'Agostino riparte dall'Eccellenza" (in Italian). TuttoMercatoWeb. 2009-09-06. Retrieved 2009-09-06.
- (in Italian) Atalanta B.C. Official Player Profile
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