Harkins has been placed in the NHL's concussion protocol, Scott Billeck of the Winnipeg Sun reports.

EDGE Analysis

Harkins was already ruled out for Wednesday's clash with Detroit but the fact that he has been diagnosed with a concussion could see him sidelined for longer. The natural center is stuck in a seven-game pointless streak and has just two points in his last 26 contests. As such, few fantasy players will be impacted by his absence even if it ends up being long term.