Boston Celtics

Marcus Smart is becoming an indispensable player for the Celtics

Celtics guard Marcus Smart was surrounded by Heat players (from left) Hassan Whiteside, Goran Dragic, and Josh Richardson in the fourth quarter. Matthew J. Lee / Boston Globe

Marcus Smart is 14 for his past 60 shooting in the past six games. At 23.3 percent, that’s what you would call a slump. He converted one field goal Sunday against the Miami Heat and it was a running 27-footer to beat the buzzer to end the first period.

It was his most difficult shot of the night and yet he drained it with no fear or hesitation. Perhaps Smart should show more apprehension offensively, but what he sometimes isn’t able to deliver with scoring, he more than compensates for in other areas. There was no better example than in the final minute of the Celtics’ 112-108 win over the Heat.

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