Josh Smith scored 22 points and grabbed 18 rebounds, leading the Atlanta Hawks to an 83-74 victory over Boston in Game 1 of the Eastern Conference playoffs Sunday night, the final minute turning ugly when Celtics star Rajon Rondo was ejected for bumping an official.

The Hawks, who led by as many as 19 in the first half, were clinging to a four-point lead when Rondo lost his cool with 41 seconds remaining – and may have cost himself a chance to play Game 2 Tuesday night.

Brandon Bass was called for a foul on Smith tussling for a loose ball. Rondo screamed at official Marc Davis, who quickly called a technical. Rondo then bumped Davis with his chest and was tossed out. A suspension could be coming, too.

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