|Date of birth||13 May 1984|
|Place of birth||Trescore Balneario, Italy|
|Height||1.81 m (5 ft 11 1⁄2 in)|
|Playing position||Centre-back, Right-back|
|2004–2005||→ Prato (loan)||20||(1)|
|2006–2007||→ Pergocrema (loan)||30||(2)|
|2007–2008||→ Pavia (loan)||32||(2)|
|* Senior club appearances and goals counted for the domestic league only.
Born in Trescore Balneario, the Province of Bergamo, Belotti started his career at hometown club Atalanta Bergamo and finished as 2001–02 Campionato Nazionale Primavera runner-up. He was the right midfielder of the team.
Belotti was awarded no.33 of the first team in 2003–04 season. But remained as a player of the youth team. In January 2004, he left for Prato and joined Primavera team-mate Gabriele Perico. In summer 2004, he was signed by Serie B side AlbinoLeffe along with Perico and Alessandro Diamanti from Prato. The Province of Bergamo based club, also signed Primavera team-mate Joelson (in co-ownership deal) and Mauro Minelli (on loan) from Atalanta.
In the same transfer window, he was loaned back to Prato for a season. In 2005–06 season, he was awarded no.33 shirt of AlbinoLeffe but failed to make any league appearances. he then left for Pergocrema and Pavia.
His no.33 shirt was taken by Francesco Renzetti in 2008–09 season, made him without a club number, and Belotti left for Lega Pro (ex-Serie C) again in January 2009, this time for South Tyrol.
Since the summer of 2013 will play for three seasons, for Lumezzane.
Belotti was the member of Italy U16 squad at 2001 UEFA European Under-16 Football Championship (now a U17 event). He also won 2003 UEFA European Under-19 Football Championship, which the tam also consist of Atalanta team-mate Giampaolo Pazzini, Gabriele Perico and Simone Padoin.
In 2005, he was called to Italy U21 B team specially for 2005 Mediterranean Games and for a preparation match against Serie D Best XI before the tournament. He played his only match with the team against Libya.
- "ITALIAN YOUTH CHAMPIONSHIP FINAL – SCUDETTO FOR INTER". FC Internazionale Milano. www.inter.it. 6 June 2002. Retrieved 15 August 2010.
- "Comunicati stampa n°8 (2003–04 season): Variazione numerazione maglie" (PDF). Lega Calcio (in Italian). 23 August 2003. Retrieved 15 August 2010.[dead link]
- "Comunicati stampa n°7 (2005–06 season): Elenchi numerazione maglie TIM Cup" (PDF). Lega Calcio (in Italian). 5 August 2005. Retrieved 15 August 2010.[dead link]
- "Belotti in prestito al Pavia". UC AlbinoLeffe (in Italian). 26 July 2007. Retrieved 15 August 2010.
- "Numerazione ufficiale 2008/2009". UC AlbinoLeffe (in Italian). 14 August 2008. Retrieved 15 August 2010.
- "Mauro Belotti al Südtirol". UC AlbinoLeffe (in Italian). 13 January 2009. Retrieved 15 August 2010.
- "FC Südtirol ingaggia Mauro Belotti ed Andrea Briglia". FC Südtirol-Alto Adige (in Italian). 13 January 2009. Retrieved 15 August 2010.
- "Presentazione al Franciacorta Factory Outlet, l' intervento del Presidente, 02". AC Rodengo Saiano (in Italian). 19 July 2009. Retrieved 15 August 2010.
- "TOP 11 SERIE D: i convocati delle squadre partecipanti all'evento di Macerata". Serie D News (in Italian). 27 May 2005. Retrieved 22 August 2010.
- Bozza, Gennaro (24 June 2005). "La May cerca la misura, è qui il basket del futuro" (require login). La Gazzetta dello Sport (in Italian). Retrieved 23 August 2010.