Toulon to sign prop Bougherara
Italy's prop Martin Castrogiovanni poses with the Toulon jersey in Toulon on June 25, 2013 - by Boris Horvat
The 25-year-old left second division Pau at the end of last season and will begin the new campaign on the books of the European and French champions.
Castrogiovanni underwent a groin operation in June and is not expected to be available for another two months.
Toulon begin their Top 14 title defence away to Basques Bayonne on Friday, August 15, the opening match of the 2014/15 season.