Perron (upper body) is set to be activated off long-term injured reserve and return to the lineup Wednesday versus the Oilers, Lou Korac of NHL.com reports.
Perron is expected to return to a featured role following his 11-game absence, skating on St. Louis' top line and first power-play unit against Edmonton. The 33-year-old forward has racked up seven goals and 18 points through 20 contests this campaign.