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The Boston Globe

Sports

Older athletes playing longer, pushing boundaries

Pro sports teams rely more than ever on aging stars — and nowhere is that truer than in Boston. Outrunning time is fast becoming the game.

First of two parts

Tracking David Ortiz around the bases in his loping home run trot, fans watch his index fingers and know they will soon be pointing skyward — his familiar tribute to his late mother. But these days, fans also watch his ankles.

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