Coach Mike Budenholzer benched All-Star point guard Jeff Teague, starting small forward DeMarre Carroll, All-Star center Al Horford and reserve power forward Pero Antic.
But Paul Millsap scored 10 of his 22 points in the fourth period and the Hawks (47-12), who have the best record in the Eastern Conference, won their fourth straight game.
Center Hassan Whiteside had 14 points and an equal career-best 24 rebounds for Miami (25-33), who also got 22 points from guard Dwyane Wade.
John Wall scored 22 points and Nene had 21 as the Washington Wizards snapped a six-game losing streak with a 99-95 victory over the Detroit Pistons.
Marcin Gortat had 16 points and 17 rebounds for the Wizards (34-26), who had lost five in a row following the All-Star break and 11-of-13 since Jan. 28.
Fortified with the return of guard Bradley Beal and forward Paul Pierce to the starting lineup, Washington dominated the first half and led by 68-47 but the Pistons rallied to move ahead in the fourth.
The Wizards prevailed down the stretch to hand the Pistons (23-36) a third straight loss.
Marc Gasol led all scorers with 27 points, including 11 in the fourth quarter, as the Memphis Grizzlies rallied to beat the Minnesota Timberwolves 101-97 and win for the first time in three games.
Mike Conley added 11 points for Memphis (42-16), which trailed by five with just over eight minutes to play before silencing the sellout crowd.
Andrew Wiggins scored 25 points for Minnesota, who have now lost two in a row. It was the 19th game with 20 points or more for the rookie from Kansas.
Kevin Garnett received his second technical foul in the third quarter and was ejected.?? ????
The New York Knicks won for the second time in as many nights, turning back the Atlantic Division-leading Toronto Raptors 103-98.
Tim Hardaway Jr led the Knicks (12-46) with 22 points. Center Andrea Bargnani scored 19 points against his former team.
Lou Williams came off the bench to score 22 points for the Raptors (37-22), who have dropped a season-high five straight games.
Toronto’s leading scorer, point guard Kyle Lowry, took a game off for the first time this season due to fatigue and nagging injuries.
Dallas 94-104 Brooklyn??
Miami 91-93 Atlanta??
New York 103-98 Toronto??
Phoenix 74-101 San Antonio
Utah 82-75 Milwaukee??
Minnesota 97-101 Memphis??
Washington 99-95 Detroit