AP Basketball Writer
NEW YORK (AP) -- Doc Rivers' phone rang sometime around 6 a.m. Friday, a concerned Boston Celtics owner calling to check on his coach and team.
The Celtics were already safely in New York, but forgive Steve Pagliuca for forgetting. This is a sad, confusing and chaotic time in Boston, and nobody is thinking about basketball first.
But the Celtics have a game to play Saturday, the opener of their playoff series against the Knicks, and if they can provide a boost to their struggling city with some postseason success, that gives them even more motivation in their rare role as an underdog.
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