The Yankees' appearance policy and why it should stay, Bronx Pinstripes
The Winners and Losers of Gerrit Cole's Signing With the Yankees - The Ringer
Fact Check: Did the Yankees bat boy with long hair have to cut his mullet off?
Andrew McCutchen: Yankees Should Change Their Hair Policy
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The Yankees' appearance policy and why it should stay, Bronx Pinstripes
The story behind the Yankees' facial hair policy - Pinstripe Alley
Yankees grooming policy origins
Some of the updated faces for Yankee players who had facial hair prior to today's patch : r/MLBTheShow