Celtics score 53 points in 1st quarter at Miami, setting club record for opening period

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. Boston's barrage is tied for the second-highest-scoring first quarter in NBA regular-season history.