Nyora kupfuurira kweiyi ndima - Théodore akatamba mukuru wechidiki muQuebec Major Junior Hockey League (QMJHL), kwaakakunda Mukombe weMutungamiri semakwikwi eQMJHL uye akakwikwidza muChirangaridzo Cup neHull Olympiques muna 1995. Akakunda zvose Ford Cup sezvo pamusoro kudzivirira mutambi uye Guy Lafleur Trophy sezvo playoff MVP muna 1995 uye ari kaviri QMJHL Second Team All-Star. Akasarudzwa 44th yose neCanadiens muna 1994
, Théodore akatamba mwaka misere muMontreal, kwaakakunda Vezina naHart trophies, zvose muna 2002. Muna 2006, akatengeswa kuColorado Avalanche, kwaakatamba mwaka miviri yakazara. Théodore akatambawo mwaka miviri yeWashington Capitals. Munyika yose, Théodore akahwina menduru yegoridhe neCanada pa1996 World Junior Championships, kwaakatumidzwa zita remutambi akanakisa wemutambo. Akatangawo Canada pa 2001 World Championships uye akanga ari backup ye2004 World Cup.