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Uni Watch: Hairy history - ESPN Page 2
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The Mark Grace Web Site
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Bleeding Yankee Blue: 04/01/2013 - 05/01/2013
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David Robertson On Yankees Facial Hair Rule: 'It's Kind Of Ridiculous' : r/baseball
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Terry Francona
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An Appreciation for Don Mattingly's Mustache in the 1980s - Men's Journal
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The All-Mustache Team: The 10 Greatest Mustaches In Sports History
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Sean Casey coming in 'hot and firing' to fix flailing Yankees offense
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Don Mattingly Once Lost His Starting Job With the Yankees Because of His Haircut