Kreider looked great up until his ejection. Which, I didn't have a problem with, even after watching the reviews. He slowed up, hit him shoulder to shoulder, but he did hit a player in a vulnerable position, and unfortunately Tyutin took an awkward turn face first into the boards. It wasn't a dirty hit, and probably shouldn't have been an ejection (should have been a two minute minor), but the refs are going to call that more times than not, especially when a player gets hurt on the play. Kreider needs to be more disciplined in my opinion. He's taken a lot of bad penalties this season, and I think that's one area he can certainly work on.
Not dirty, just an ill advised hit, and alot of bad luck for both players involved. I think Dubinsky's reaction says it all. He came in looking for a fight and then realized the situation. Its hockey, **** happens sometimes.