How to watch 76ers vs. Celtics: Live stream, TV channel, start time for Tuesday's NBA game | CBS Sports Headlines How to watch 76ers vs. Celtics: Live stream, TV channel, start time for Tuesday's NBA game How to watch 76ers vs. Celtics basketball game ESN FeedsThis post was originally published … Continue reading How to watch 76ers vs. Celtics: Live stream, TV channel, start time for Tuesday's NBA game