It's Time for the New York Yankees to Modernize Their Facial Hair Policy, News, Scores, Highlights, Stats, and Rumors
Legendary mustache-haver Don Mattingly bans facial hair on Marlins
Uni Watch: Hairy history - ESPN Page 2
Mattingly removes no facial hair policy
What is your opinion of the “no facial hair” policy that the New York Yankees have for their players? - Quora
Who has a mustache on the Yankees? Why Matt Carpenter's facial hair doesn't violate team rules
Who Was Thurman Munson and Why Isn't He in the Hall of Fame?
The Second Pass
Miami Marlins' Don Mattingly bans facial hair
Who has a mustache on the Yankees? Why Matt Carpenter's facial hair doesn't violate team rules
SABR's Baseball Cards Research Committee – Page 19
Why are the Yankees the only Major League baseball team that requires all players to shave clean? - Quora
The best sports mustaches of all time