Vladimir Tarasenko wasn't happy with Ken Hitchcock after the second period. He got to the bench and swatted Hitchcock's hand away. Here's the video.
What do you think he's mad about? He only got 0:08 on the power play, but that's because he was on the shift before it. All I know is when a player hates a coach, the team' success is limited. Watch this and let me know what you think: