When Boston needed a stop, the calls the Celtics coach made proved disastrous, and afterward took responsibility for the loss: "I didn't help them close it at the end."

To make matters worse for the Bulls, the Celtics have upgraded superstar forward Jayson Tatum to active after being listed as questionable with right knee tendinopathy. Tatum is averaging 26.9 points,

Sitting at the podium after Monday night’s Celtics loss, Joe Mazzulla didn’t critique Luke Kornet for his positioning on Alperen Sengun or Jaylen Brown for his last-second defense on Amen Thompson. The late Houston Rockets baskets that put Boston on the wrong end of a 114-112 thriller at TD Garden,

Joe Mazzulla explains what happened on two late defensive miscues that cost the Celtics in their 114-112 loss to the Rockets.Mazzulla takes blame for final two plays in C's loss to Houston originally

Boston Celtics head coach Joe Mazzulla has opted to shoulder the blame for the decisive final two plays in his team's latest loss, a 114-112 defeat at the hands

Joe Mazzulla took the blame for the late-game miscues, saying he put his players in poor position but it was evident that Horford’s absence proved costly in that spot since Kornet has not played in crunch time for much of the season.