MIAMI — The Boston Celtics had a first quarter like none other in their storied history. The Celtics scored 53 points — their biggest-scoring first quarter ever — in the opening 12 minutes of their game against the Miami Heat on Wednesday night.

The Memphis Grizzlies entered the fourth quarter with a lead before the Boston Celtics pulled away down the stretch.

The Boston Celtics scored a franchise-record 53 points in the first quarter against the Miami Heat, tying for the second-highest first quarter in NBA history.

Jaylen Brown scored 14 of his 31 points a pivotal third quarter and the Boston Celtics rallied to beat the Oklahoma City Thunder 119-109, snapping the defending champions’ 12-game win streak.

All the Celtics news you need in one convenient place.

The Boston Celtics have announced an update on Jaylen Brown before Sunday's game against the Charlotte Hornets.

The hottest team in the NBA heads to Boston tonight to face the Celtics. The Hawks have won 14 of their last 15 games and have jumped all the way to the No. 5 s

The Celtics are promoting Ron Harper Jr. to their 15-man roster ahead of the postseason, signing the two-way wing to a two-year deal, a league source confirmed to MassLive. ESPN was first to report the deal.