I will say there were two plays in that game that, I don’t think they were dirty plays, but I think it passed a line of physicality," Cavs coach Kenny Atkinson said. "That line we’ve kind of been talking about where it became excessive.

The Boston Celtics host the New York Knicks in Game 1 of the Eastern Conference Semifinals tonight. Read our expert predictions for Knicks vs. Celtics here.

The Boston Celtics and New York Knicks will tip off on Monday in their Eastern Conference playoff tilt, the first time since 1984 that the two teams have met after the first round of the postseason--tough to believe given the historic rivalry between the two.