Nyorai mberi kweiyi ndima - Mumiriri akasununguka, Giroux akakokwa kuGatineau Olympiques kudzidzira musasa wekuyedza. Akasainwa nguva pfupi pashure pacho. Munguva yake rookie mwaka pamwe Olympiques, Giroux scored 39 vavariro nokuda dzinokwana 103 pfungwa 69 mitambo uye akanzi Quebec Major Junior Hockey League (QMJHL) kuti Rookie of the Year. Akapinda mu2006 NHL Entry Draft
uye akasarudzwa wechi22 chose chose nePhiladelphia Flyers. The Flyers yakasaina Giroux kune chibvumirano chekutanga musi waJuly 23, 2007.