Things got heated in the fourth quarter of the Celtics’ 94-107 Game 2 win after JR Smith shoved an airborne Al Horford in the back. Celtics guard Marcus Smart came to his teammate’s defense, exchanging words and shoves with Smith after the play. After the game, Smart told reporters that dirty plays like this are […] The post Smart: JR Smith Is Known For Dirty Plays appeared first on SLAMonline.