Castrogiovanni calls it quits
Castrogiovanni calls it quitsSHARE
The 35-year-old Argentina-born forward arrived in Italy in 2001 and made his debut with Calvisano.
He went on to play for Leicester, Toulon, with whom he won the 2014 and 2015 European Cup, before moving to Racing 92.
Castrogiovanni is Italy's second most-capped player behind skipper Sergio Parisse, who has played 121 internationals.