Lolz, this is nonsense. He's paying to watch his former team and many friends play an important game while his team is SUPER out of things. If the Sharks are mad, fine, they can buy him out, but lets chill out.
He can watch the game in person...no problem. No one cares nor should they.
The problem comes with the jersey.
Thats a brain dead move by Kostin.
You just dont do that shit when you are under contract to a different team.
I promise if that if the tables were reversed and a current Oilers player did that the tolorance level by Oilers fans would be close to nil.
I am quite sure that his Oilers teamates wouldnt just blow it off either.
Oilers players be like....
"Hey look....so and so was at a NHL playoff game sporting the other teams jersey."
"What a good idea...I was a Leafs fan as a kid so I think I will go to the next Leafs playoff game sporting a Leafs jersey!"
Thankfully that would never happen.