Stephen R. Sylvanie-USA TODAY Sports

The Penguins placed depth forward Noel Acciari on injured reserve Tuesday, per a team announcement. The 32-year-old was diagnosed with a concussion after a hit from Jets defenseman Brenden Dillon on Feb. 6, which warranted a three-game suspension.

Acciari has missed two games already, and it’s unclear when he’ll be ready to return to the lineup. Concussion recovery timelines can range wildly, and although he’ll be eligible to come off IR at any time, it could still be a weeks-long absence.

The Rhode Island native has struggled in his first season in Pittsburgh, scoring three goals and adding one assist in 39 games. His 0.10 points per game are his worst since his first stint as an NHLer with the Bruins in 2015-16 when he notched one assist in 19 games (0.05 per game).

His usage under head coach Mike Sullivan is the main culprit behind his dropoff in production. He’s started just 12.9 percent of his even-strength shifts in the offensive zone, nearly 22 percent below his career average.

Acciari’s 41 percent Corsi share at even strength also paints him as a defensive liability, but that number is inflated due to his extreme shutdown usage. In terms of controlling expected goals, he’s been a fine shutdown presence when paired with Jeff Carter and Jansen Harkins. That line has controlled 55 percent of expected goals through 105 minutes together, per MoneyPuck, but two-thirds of the unit is now on IR. Harkins, who is also out with a concussion, landed on the list Monday.

Regardless, the three-year, $6M deal with trade protection he signed when free agency opened in July seems quite steep less than a year in. The three-time 10-goal scorer is an evident favorite of GM Kyle Dubas, who also acquired him as a member of the Maple Leafs before last season’s trade deadline alongside Ryan O’Reilly.

With Acciari out, the Penguins are now down to the bare minimum 20 players on the active roster and only 11 forwards. Without moving one of Acciari or Harkins to LTIR, however, they do not have the cap space for an additional recall from AHL Wilkes-Barre/Scranton. As such, they may be forced to dress 11 forwards and seven defensemen against the Panthers on Wednesday.

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