The Mavericks fell 132-97 to the Grizzlies in their regular-season finale and will face the Kings in a win-or-go-home play-in game on Wednesday in Sacramento.
Anthony Davis hit a game-winner and finished with 34 points as the Mavericks edged the Hawks 120-118. Dereck Lively II returned after missing 36 games.
Daniel Gafford returned, but the Mavericks fell short in a 113-109 loss to the Nets as Brooklyn rallied late. Dallas missed 12 free throws and gave up 20 threes.
Mavericks escape with a 120-119 win over the Bulls, moving to ninth in the West behind key plays from Dinwiddie, Thompson, and Davis in a tight finish.
Jaden Hardy scores 22 points to lead the short-handed Mavericks past the Magic 101-92, sparking a second-half rally with a burst of timely three-pointers.
Brandon Williams and Naji Marshall posted career highs, but the shorthanded Mavericks fell to Ja Morant and the Grizzlies 122-111 after a late fourth-quarter rally.
Giannis Antetokounmpo and Damian Lillard lead the Bucks to a 137-107 win over the Mavericks, who played short-handed following Kyrie Irving's season-ending injury.
Giannis Antetokounmpo and Damian Lillard combine for 59 points to lead Bucks over Mavericks 132-117 in a foul-heavy matchup at American Airlines Center.