There are a few things we do know already.
For one thing, the NHL’s Department of Player Safety is reportedly looking into it.
Another factor that could help Letang avoid a suspension or limit the duration of supplemental discipline: Marcus Johansson returned during the second period.
In fact, Johansson delivered some hits on Letang.
There have been some nasty moments in Game 3, and more might be coming. The Penguins lead 2-0 with a few minutes remaining in the middle frame.