Career
He currently races in the CIV Superbike Championship aboard a Ducati Panigale. He has also competed in the Supersport World Championship. Early Grand Prix racing (2003-2006)
He began his Grand Prix career as a wild card in the 2003 Italian Grand Prix in the 125cc class, on an Aprilia motorcycle.
In 2005, he participated in the same class with Malaguti, scoring 3 points in the Chinese Grand Prix and finishing the season in 33rd place.
In 2006, he continued to race in the 125 class on an Aprilia – and later a Honda – without scoring points. National racing (2007-2008)
Supersport World Championship (2009-2010)
In 2009 he participated in the Supersport World Championship on a Yamaha, ending in 11th place.
The following year he switched to Honda and finished in 5th place, with a victory in the Italian round at Imola. He also made a one-off appearance in the Moto2 World Championship at the Aragon Grand Prix, finishing 14th.
Return to Grand Prix (2011-2012)
Pirro returned to Grand Prix racing in 2011 in Moto2 with Team Gresini.
He obtained a victory, in the season finale at Valencia, just two weeks after Gresini"s MotoGP rider Marco Simoncelli was killed in a crash at the Malaysian Grand Prix. His MotoGP career began in 2012 with Gresini on a FTR motorcycle, with a best placement of fifth at the Valencian Grand Prix, ending the season in 15th place with 43 points. Ducati test rider (since 2013)
Since 2013, Pirro has been the official test rider of team Ducati.
During the 2013 season he participated in ten races as a wildcard and as a substitute for the injured Ben Spies, with a best result of seventh at the Italian Grand Prix, ending the season in thirteenth place with 56 points.
In 2014, Pirro replaced the injured Cal Crutchlow in the Argentine Grand Prix and participated as a wild-card in five races. In 2015 he continued to be the official Ducati test rider, while also participating in the Italian Superbike Championship.
He also participated as a wild card in the Italian MotoGP round, finishing in 8th position, and in the Italian round of the Superbike World Championship in Misano.