The Hawks, who trailed by as many as 19, had a chance to win in the final seconds, but Andre Drummond blocked Lou Williams’ jumper at the buzzer to preserve the win.
The Pistons have won six of seven overall, with the only loss coming in double overtime at Atlanta.
The second unit has powered the surge, outscoring the starters in several games, and the reserves outscored Atlanta’s backups 41-14, led by Daye.
Greg Monroe added 18 points and nine rebounds for Detroit. Jason Maxiell had 10 points and 10 boards.
Josh Smith had 20 points for Atlanta, while Al Horford had 18 points and 15 rebounds.
THUNDER 109, 76ERS 85
In Oklahoma City, Russell Westbrook scored 27 points, Kevin Durant added 26 and the Thunder bounced back from a rare home loss to beat Philadelphia.
Oklahoma City made eight of its first 10 3-point attempts in the second half and never trailed after scoring the final five points before halftime.
Serge Ibaka chipped in 15 points and 10 rebounds and Kevin Martin had 16 points off the bench for the Thunder.
CELTICS 94, PACERS 75
In Boston, Kevin Garnett scored 18 points before he was ejected for a flagrant foul in the fourth quarter, as the Celtics snapped a four-game losing streak.
Rajon Rondo added 18 points, seven assists and five rebounds for Boston, which had lost eight of 10 to fall a season-worst three games below .500. Garnett also had seven rebounds.
Tyler Hansbrough scored 19 points and David West and Roy Hibbert had 10 rebounds apiece for the Pacers. The Central Division leaders had won six of seven and nine of 11.
NETS 115, WIZARDS 113 (2OT)
In Washington, Joe Johnson’s jumper with 0.7 seconds left in the second overtime lifted Brooklyn to a victory over Washington.
Bradley Beal’s two free throws tied the score at 113 with 9.1 seconds to play before Johnson, who had 18 points, hit the game-winner.
With the victory, Brooklyn improved to 4-1 under interim coach P.J. Carlesimo.
BULLS 96, HEAT 89
In Miami, Carlos Boozer scored 27 points and Chicago dominated on the boards to become only the third visiting team to win in Miami this season.
Chicago outrebounded Miami 48-28. The Bulls had 20 second-chance points to seven for the Heat.
CAVALIERS 106, BOBCATS 104
In Charlotte, N.C., Kyrie Irving scored 33 points, including a pull-up jumper from the foul line with one second left, to lift Cleveland past Charlotte.
Irving had 14 of his team’s final 16 points and 26 points in the second half as the Cavaliers snapped a three-game losing streak.
KINGS 105, RAPTORS 96
In Toronto, DeMarcus Cousins scored a season-high 31 points and matched his career high with 20 rebounds, John Salmons scored eight of his 20 points in the fourth quarter and Sacramento beat Toronto.
TRAIL BLAZERS 86, GRIZZLIES 84
In Memphis, Tenn., Wesley Matthews scored 21 points, J.J. Hickson added 19 points and 11 rebounds, and Portland beat Memphis.
LaMarcus Aldridge had 15 points and 12 rebounds for Portland.