The Boston Celtics will welcome the undefeated Cleveland Cavaliers to TD Garden on Tuesday night, a highly anticipated early-season showdown between the two best teams in the Eastern Conference.

The Cavs' quest to remain undefeated could hit a snag with uncertainty surrounding several players against the Celtics.

During a recent post-practice interview, veteran guard Jrue Holiday expressed his excitement at having Porzingis back on the floor. Holiday and Porzingis both joined the Celtics roster during the 2023 offseason and played significant roles in the team's charge toward a championship.

Kristaps Porzingis on Monday moved one step closer to a return to the Celtics lineup. The rehabbing Boston man reached the “next phase of his recovery” from offseason leg surgery, the team announced.

Jayson Tatum traveled moments before making the deciding 3-pointer at the overtime buzzer to give the Boston Celtics a 126-123 victory over the Toronto Raptors, the NBA said.

Tatum moved his pivot foot with 3.4 seconds left in overtime and should have been called for traveling, but an earlier missed call would have rendered that moot.

Jayson Tatum missed a 15-foot buzzer-beater that would have won Boston the game in regulation Saturday night. Instead, Toronto pushed Boston to overtime. Tatum didn't miss twice. On a play that appeared to be designed for Jaylen Brown but he got knocked down (without a foul),