Lugging a two-game losing streak, the Cleveland Cavaliers host the defending NBA champion Boston Celtics today – Sunday, Dec.

Because of the Cavs' hot start, it took a while for Kenny Atkinson to learn how his team responds to adversity. He knows now.

Cavaliers recoup a Nov. 19 loss to the Celtics in dramatic fashion, with Donovan Mitchell shooting 6-for-6 in the 4th quarter ...

Donovan Mitchell scored 35 points and the Cleveland Cavaliers avenged a heartbreaking loss with a 115-111 victory over Boston ...

Donovan Mitchell scored 20 of his 35 points in the fourth quarter as the Cleveland Cavaliers ended Boston’s seven-game ...

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 ...

Although it was a close game, Celtics head coach Joe Mazzulla's late-game strategy received major flak from fans. NBA analyst ...

Donovan Mitchell finished with 35 points, seven rebounds, three assists, two steals and one block while shooting 12/21 from ...

Kenny Atkinson on Dec. 3 was named NBA Eastern Conference Coach of the Month for November for guiding the Cavaliers to a 17-3 ...

Currently on a two-game losing streak, the Cavs will be without a critical defender against Jayson Tatum and the Celtics.

The 15-0 Cavs look to extend their undefeated start against the Boston Celtics in an NBA Cup game Tuesday night. Here's how ...

The Boston Celtics could be without their entire starting lineup when they face off with the Miami Heat on Monday night.