Pastore started his career in early 2007 with his training club CA Talleres. Quick detected Argentine scouts his talent, he signed half a year later, as a perspective player at Club Atlético Huracán, a member of the first Argentine league, La Liga. Due to its prominent stature (78 kilograms with a size of 187 cm), where he received the nickname El Flaco (Spanish: the Slim ).
His debut Pastore on 24 May 2008, when he came off the bench in the 0-1 defeat at CA River Plate in 71 minutes of Federico Poggi. In that season, he came to no further use. In the following season he became the starting players and performers, he came to a total of 30 appearances in the Torneo Apertura and Clausura, including 23 from the beginning. He advanced with eight goals and six assists to one of the most coveted players in the league.
In July 2009, the talented attacking midfielder signed a five - year contract with Italian Serie A club Palermo.
For the discharged in South Africa Football World Cup 2010 El Flaco was added to the Argentine squad. In the group match against Greece, in the second round against Mexico and in the quarter-final against Germany, he came to part stakes.
In the 2010/11 season Pastore played a strong season and has won eleven league goals in 35 games top scorer of his team. This Pastore also drew the interest of many top European clubs. In July 2011, he spent 42 million euros in the French capital Paris SG.
In addition to the Argentine Pastore also has Italian citizenship.
- Rookie of the Year in Italy: 2010