The Atlanta Hawks beat the Boston Celtics Thursday night, 104-92, knocking the Celtics out of the playoffs and ending their season.

The Hawks, up 41-33 at halftime, blew the game open with a 39-point third quarter and led by as many as 28 points. The Celtics made one final push in the fourth quarter, going on a 22-6 run to cut the deficit to just 10 points.

Paul Millsap had 17 points and eight rebounds, while Al Horford and Kent Bazemore each scored 15 points for the Hawks.

Isaiah Thomas scored a team-high 25 points and added 10 assists. Jae Crowder chipped in with 15 points for the Celtics.

It was the first time the Hawks have beaten the Celtics in a playoff series since the St. Louis Hawks beat the Celtics in the 1958 Finals.

The Hawks will take on the Cleveland Cavaliers in the second round of the playoffs starting Monday.