Joe Mazzulla clapped on the sidelines as his Boston Celtics stars Jayson Tatum and Jaylen Brown scuffled against the Atlanta Hawks. Mazzulla refused to step in as Tatum got tangled with Onyeka Okongwu.

Some tempers flared early in overtime between the Celtics and Hawks, though there were no extra fouls or techs afterwards.

During this stretch, they’ve been just 5-6 at home and have only won consecutive games twice. Every time they’ve taken a step forward, they’ve followed it up with two steps back.

The Celtics blew a 3-point lead late before eventually losing in a heated overtime period to the Atlanta Hawks.

The Celtics snatched defeat from the jaws of victory Saturday night, making mental errors that allowed the Hawks to steal a win in Boston.

Dyson Daniels hit a short jumper in the lane with just over a minute left in overtime and Onyeka Okongwu made two free throws with 11 seconds left, lifting the Atlanta Hawks to a 119-115 victory over the Boston Celtics on Saturday night.

Dyson Daniels hit a short jumper in the lane with just over a minute left in overtime and Onyeka Okongwu made two free throws with 11 seconds left, lifting the Atlanta Hawks to a 119-115 victory over the Boston Celtics on Saturday night.

The Atlanta Hawks got another tight victory over the Boston Celtics, winning 119-115 in overtime. Trae Young led the way with 28 points and 11 assists.

Onyeka Okongwu made history off the bench for the Hawks in their win against the Suns with his first 20-20 game.

Andrew Wiggins, Stephen Curry and Dennis Schroder combined for 77 points to overpower the brilliant solo act of Jordan Poole and lift the Golden State Warriors to a 122-114 victory over the visiting Washington Wizards on Saturday night in San Francisco.

Jayson Tatum got into a brief tussle with Onyeka Okongwu. Here's what he and a visibly excited Joe Mazzulla had to say about it.

The Atlanta Hawks defeated the Boston Celtics, 119-115, for their 3rd straight win. Atlanta Hawks Top Performers Trae Young – 28 points, 4 rebounds, 12 assists, 2 steals, 2 blocks, 3 3PM 27th games w/ 10 or more AST Dyson Daniels – 23 points,