 Barthez akaita mutambo wake wekutanga weToulouse musi wa 21 Gunyana 1991, vachipesana naNancy. Akabatana neMarseille muna 1992, uye akakunda zvose French championship neChampions League pakuguma kwemwaka wake wokutanga muMarseille, achichengetedza chikwata chakachena mukukunda 10 pamusoro peA.C. Milan mumugumo wemakwikwi ekupedzisira.. Kukunda kwa1993 kwakamuita muchengeti wechidiki kukunda mukombe weChampions League kusvikira Iker Casillas azviita muna 2000. 