Before the series even began, Sheldon Keefe shared that he expected the series would be "borderline violent", and it looks like the prophecies were self-fulfilling.
The Maple Leafs and Lightning series got aggressive less than 10-minutes in, as Kyle Clifford got a 5-minute major and a game misconduct for boarding on Ross Colton. The first check Clifford throws in the clip is a legal check, but the second is clearly from behind and boarding.