The Power system play is on Boston plus the points. Game 556 at 8:05 eastern. The Celtics won 3 of the 4 in the series this year and the last time they played the Sixers won in Boston. The Celtics are 20-5 ats with revenge and have covered 20 of 27 off a win of 10 or more. The Celtics have covered 6 of 8 in the Semi Final round and the last 6 times vs an opponent with a winning road record.. The Celtics are 20-7 ats as a dog, The Sixers are 1-5 ats at Boston and the favorite in this series has failed to cover 6 of 8. aRoad favorites of 4 or less that have 4+ days of rest like the Sixers are winless straight up and ats vs an opponent that scored 90 or more as 1)=- point home favorite. Play on Boston.