CLEVELAND — The moment arrived in the third quarter and Donovan Mitchell seized it ... Scoring 20 of his 35 points in the fourth quarter, Mitchell helped the Cavs avenge a loss in Boston last month that ended their historic start by leading Cleveland ...

The Cavs believed the next time against the reigning NBA champion Boston Celtics would be different. They were right. Cleveland avenged its November loss Sunday night, rallying from a double-digit second-half deficit and beating the short-handed Celtics,

Mitchell scored 11 points in a row down the stretch as the Cavs overcame a 14-point deficit to maintain the NBA's best record.