Things got testy between the Washington Wizards and Boston Celtics in the first quarter of Game 2 on Tuesday.

While battling for a rebound, Wizards big man Markieff Morris shoved his Celtics counterpart, Al Horford, to the ground, pushing the Boston center into a row of photographers sitting on the baseline.

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Morris was angry with Horford after Game 1, blaming the Celtics big man for his ankle injury. Clearly, Morris is holding a grudge.