Cleveland Cavaliers star Donovan Mitchell delivered a defiant claim following his team's loss to the Boston Celtics.

The Cavs are 40-10, but what is their record against the NBA's elite teams. Tuesday's loss to the Celtics has coach Kenny Atkinson seeking answers.

This was bad news for Kristaps Porziņģis. Donovan Mitchell put Porziņģis on a poster with a power slam over the 7-2 center ...

Cleveland Cavaliers (40-10, first in the Eastern Conference) vs. Detroit Pistons (25-25, sixth in the Eastern Conference) Detroit; Wednesday, 7 p.m. EST BETMGM SPORTSBOOK LINE: Cavaliers -5; ...

Boston Celtics center Kristaps Porzingis (8) shoots as Cleveland Cavaliers center Jarrett Allen, right, defends in the first ...

The Boston Celtics went to Cleveland to take on Donovan Mitchell and the first-place Cavaliers Tuesday night. Mitchell got to ...

Mitchell drove to the rim, jumped up, and put Celtics forward Kristaps Porziņģis on a poster with a highlight jam. The best ...

Derrick White caught fire late, and the Celtics led for 42 minutes against the top-seeded Cavaliers, claiming an impressive ...

Jayson Tatum scored 22 points, Derrick White added 20 and the Boston Celtics showed their championship makeup down the ...

The Celtics took down the East's best team as Derrick White's 14 points in the fourth quarter paced the reigning champs.

Ever since he won the Slam Dunk Contest during his rookie season, Donovan Mitchell has established himself as one of the ...

Donovan Mitchell brought his A-game off the court before the Cleveland Cavaliers faced the Boston Celtics on Tuesday. While NBA fans talk about the exciting matchup between the top two teams in the ...