Ṣẹ̀kún gbólóhùn tó tẹ̀ lé e yìí:
1999 NHL Entry Draft, Grenier ni a ṣe paṣipaarọ si Boston Bruins pẹlu Brian Rolston, Samuel Pahlsson ati 2000 1st round draft yan fun Ray Bourque ati Dave Andreychuk ni Oṣu Kẹta Ọjọ 6, Ọdun 2000. Kò gba ìwé àṣẹ láti Boston, Grenier gba ìwé àṣẹ láti Phoenix Coyotes kí ọdún 2001 sí 2002. Lati igba ti o ti bẹrẹ iṣẹ rẹ, o ti lo akoko pupọ ninu AHL pẹlu awọn ipe diẹ si NHL pẹlu awọn Coyotes, Vancouver Canucks, ati Philadelphia Flyers.