Mezue ahịrịokwu na-esonụ:
Na 1999 NHL Entry Draft, a gbanwere Grenier na Boston Bruins tinyere Brian Rolston, Samuel Pahlsson na 2000 1st draft draft maka Ray Bourque na Dave Andreychuk na Machị 6, 2000. A hapụrụ ya na Boston, Grenier bịanyere aka na Phoenix Coyotes tupu oge 2001-02. Kemgbe ọ malitere ọrụ ya, ọ nọrọla oge ya niile na AHL na ole na ole na NHL na Coyotes, Vancouver Canucks, na Philadelphia Flyers.