However, Emelec could not qualify for the final of the Ecuadorian championship and was eliminated in the second round of Copa Sudamericana.
Peirone's performances did not fully satisfy Emelec's fans expectations and he was considered one of the players to be released from the club for the 2010 season.
Despite this he was given a vote of confidence by both the team's administrators and the manager and he remains in Emelec for another season.
He was the top scorer (5 goals) of the 2003 South American Under-17 Football Championship.
This biographical article related to an Argentine association football forward born in the 1980s is a stub.