It was probably at Caan's initiative. He also is (or used to be) a big rodeo participant, riding bulls, roping calfs, etc. Maybe he thought "running with the boys" was in the same vein as "running with the dogies..."
Ntra la porta tua lu sangu � sparsu, E nun me mporta si ce muoru accisu... E s'iddu muoru e vaju mparadisu Si nun ce truovo a ttia, mancu ce trasu.