Former Viewmont High, NFL star Greg Clark passes away
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Greg Clark, Former San Francisco 49ers Tight End, Dead at 49
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Greg Clark: Former 49ers tight end dies at 49 - Sports Illustrated
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Breaking: Former 49ers' TE Greg Clark Has Died, Per Source
Former San Francisco 49ers tight end Greg Clark dies at 49
Greg Clark, Former NFL Player, Dies at 49 - TheWrap
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