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,

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."

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.