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The Boston Globe

Sports

Celtics notebook

Rajon Rondo tries his hand at calling a game

CHICAGO — Brian Scalabrine sent a long text message that later was followed with a phone call. Cedric Maxwell shared words of wisdom. Others passed along tips to Rajon Rondo as well.

The Celtics point guard also received some homework: a 30-minute DVD with examples of television standups, including from Maxwell and Tommy Heinsohn, and also some color commentary clips.

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