Mezue ahịrịokwu na-esonụ: A free gị n'ụlọnga, Giroux a kpọrọ òkù ka Gatineau Olympiques ọzụzụ ogige maka a na-eje ije-na-nwale. E debanye aha ya n'oge na-adịghị anya mgbe nke ahụ gasịrị. N'oge oge rookie ya na Olympiques, Giroux gbara ihe mgbaru ọsọ 39 maka ngụkọta nke 103 isi na egwuregwu 69 ma kpọọ aha Quebec Major Junior Hockey League (QMJHL) Rookie nke Afọ. Ọ banyere n'ime
2006 NHL Entry Draft ma họrọ ya nke 22 site na Philadelphia Flyers. Ndị Flyers bịanyere aka na Giroux na nkwekọrịta ntinye na July 23, 2007.