|Full name||Sebastián Hugo Grazzini|
|Date of birth||25 January 1981|
|Place of birth||Rosario, Argentina|
|Height||1.81 m (5 ft 11 in)|
|Playing position||Attacking midfielder|
|2005||Unión de Sunchales||14||(1)|
|2008||Newell's Old Boys||9||(1)|
|2012–2013||→ Atlético de Rafaela (loan)||25||(4)|
|* Senior club appearances and goals counted for the domestic league only and correct as of 19 April 2015.
Grazzini has played for a number of clubs in Argentina, Spain, Belgium, Venezuela and Italy. He began his career in the youth ranks of Central Córdoba. He impressed while with Central Córdoba and was signed by Spain's Sevilla FC, playing with the club's reserve side Sevilla Atlético. He then went on to play for Virton in Belgium before returning to Central Córdoba the following season. After a brief stop with Unión de Sunchales Grazzini left Argentina and signed with Venezuela's Italchaco. While with Italchaco Grazzini appeared in 15 matches and scored 6 goals. He then returned to Europe for the 2007–08 season joining Italy's Sestrese. While in Italy Grazzini was at top form scoring 22 goals in 45 matches.
In 2008 he returned to Argentina to play for Newell's Old Boys, the team his entire family has supported. Grazzini scored his first goal for Newell's in a 4–0 away win over Argentinos Juniors. On 13 March 2009, Racing Club de Avellaneda signed the midfielder on a free transfer. While with Racing Grazzini appeared in 34 matches and scored 5 goals, his most productive season in Argentina. Subsequently, for the 2010–11 season, Grazzini joined All Boys. He appeared in 22 matches for All Boys scoring 5 goals.
In June 2011 it was reported that Grazzini would be joining Major League Soccer side Chicago Fire on a one-year deal. The Fire officially announced signing Grazzini on 13 July 2011. On 17 August 2012, Chicago Fire loaned Grazzini to Atlético de Rafaela for the remainder of the MLS season.
- Allboys propose contract offer to Grazzini
- Allboys visits Godoy Cruz
- chicago-fire.com (13 July 2011). "Fire sign Sebastian Grazzini".
- chicago-fire.com (17 August 2012). "Fire Loan Sebastian Grazzini to Atlético de Rafaela".