Kassian destroys MacKinon with a HUGE hit then drops the gloves with Calvert

Zack Attack, baby!

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Just moments into tonight's matchup between the Edmonton Oilers and Colorado Avalanche and big Zack Kassian has made his presence felt. 

First Kassian absolutely OBLITERATES superstar Nathan MacKinnon, then he absolutely dusts Matt Calvert in a very one sided fight.

Check it out:

Zack Attack, baby!