On 18 July 2009, the FIR announced that Aironi and Praetorians Roma would compete in the Celtic League from the start of the 2010–11 season – beating bids from Benetton Treviso and Duchi Nord-Ovest. Praetorians would be based in Rome at the Stadio Flaminio, while Aironi would be based in Viadana but would play some matches in the city of Reggio Emilia.