Facial Hair Rule Now in Effect for Miami Marlins: Don Mattingly
Dangerous' Slugger Jorge Soler Adds Pop to Miami Marlins – NBC 6
Don Mattingly won't return as Marlins manager - Chicago Sun-Times
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Marlins, Mattingly adopt no facial hair policy
Don Mattingly has relaxed the Marlins' facial hair policy
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Don Mattingly Reinstates No Facial Hair Policy for Marlins
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Why do the New York Yankees players not have beards? - Quora
DODGERS: Roberts doesn't plan any hair-razing changes – Press
To shave or not shave? That's Padres' question
Miami Marlins' Don Mattingly to rejoin club for Cubs series