Donovan Mitchell’s late explosion lifted the Cavaliers over Celtics. Here are six takeaways from the game. Read more on Boston.com.

Before Sunday night's game against the Boston Celtics, Cleveland Cavaliers coach Kenny Atkinson said he wanted to see what his team would look like after back-to-back losses to the Atlanta Hawks -- the first adversity it has faced this season.

The moment arrived in the third quarter and Donovan Mitchell seized it. After Jayson Tatum hit a 3-pointer over him, Mitchell sensed the Celtics’ momentum and confidence growing.