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on basketball

Celtics still have positive signs after opening loss

TORONTO — There were some moments that stood out Wednesday night at Air Canada Centre for the rebuilding Celtics, junctures that would define the early impressions of this refurbished roster and the neophyte coach with the bright ideas.

One was early in the third quarter, when Jonas Valanciunas dunked at the 8:18 mark to give the Raptors their third 16-point lead of the quarter, and a Boston collapse was not only expected but practically assumed.

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