The Celtics have been mortal in December, losing five of 11 games with a defense that plays hard when it feels like it.

Expectations were high coming into the season, and this month has offered evidence Philadelphia can still meet them.

Boston Celtics center Kristaps Porzingis injured his ankle during a 118-114 loss against the Philadelphia 76ers on Wednesday ...

Tyrese Maxey gave the Celtics more than they could handle in a Christmas Day showdown on Wednesday, as the 76ers earned a ...

But Maxey zipped past Pritchard and found a clear lane to the basket, where he put in an off-balance layup just before time ...

Philadelphia's Christmas Day win over defending champion Boston is the latest in a string of performances that has turned ...

Multiple members of the Philadelphia 76ers single out Caleb Martin with a nickname after a Christmas Day win over the Boston ...

The Boston Celtics couldn't complete the comeback at home, falling 118-114 to the rival Philadelphia 76ers on Christmas ...

Joel Embiid popped up from a pregame fall and scored 27 points with nine rebounds to lead the Philadelphia 76ers to a 118-114 ...

Tyrese Maxey collected 33 points and 12 assists to lead the visiting Philadelphia 76ers to a 118-114 victory over the Boston ...

Celtics big man Kristaps Porzingis leaves Boston's Christmas Day home game at halftime with an apparent ankle injury ...

Recently, the Boston Celtics took the court without their All-Star forward, Jayson Tatum. When the Celtics host the ...