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Stem Cells Hold Promise for Injured Athletes, But Questions Remain
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TIL 42 year old New York Mets pitcher Bartolo Colon used stem
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Alex Rodriguez implicated in PED use again as MLB probes
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Tommy John surgery for baseball position players, explained
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Yankees Manager Aaron Boone Taking Leave to Get Pacemaker
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New York Yankees head to Texas; a Cole Hamels preview
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MLB investigates Yankees' Bartolo Colon stem cell procedure
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MLB players under scrutiny in PED scandal
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Veteran pitcher Bartolo Colon sharp in spring debut for New York
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Oakland A's hoping Bartolo Colon provides boost to rotation – The
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Bartolo Colon's Comeback Assisted By Radical Surgery - SBNation