Boston Celtics head coach Joe Mazzulla loves to push his players, and his halftime challenge sparked the team's comeback win ...

Cleveland plays Boston looking to prolong its four-game win streak. Tuesday's meeting is the first this season between the squads.

After falling behind by 26 points late in the third quarter against a shorthanded Philadelphia 76ers team missing both Joel Embiid and Paul George, Boston stormed back in the fourth quarter to earn a ...