Desnoyers sustained an apparent left leg injury while playing for Canada on Saturday at the World Junior Summer Showcase, Adam Kimelman of NHL.com reports.
There was no update on Desnoyers' status after the game. The 19-year-old forward's injury will be at least a mild concern until Canada or the Mammoth can produce a status update. Desnoyers is likely a long shot to make Utah's Opening Night roster, but he signed his entry-level deal back in March.