Banning beards in baseball is completely backwards - The Gateway
Don Mattingly has relaxed the Marlins' facial hair policy
Miami Marlins' Don Mattingly called out for facial hair ban - Sports Illustrated
Don Mattingly on his way out as Marlins manager?
IT IS HIGH! IT IS FAR! IT IS caught.: Let's Keep the Ban on Facial Hair
Don Mattingly's cool with players growing out their hair, but he won't bring back his 'stache
Don Mattingly out as Marlins manager after seven seasons
Why are the Yankees the only Major League baseball team that requires all players to shave clean? - Quora
Don Mattingly Reinstates No Facial Hair Policy for Marlins
Marlins manager Don Mattingly will not be returning - ESPN 98.1 FM - 850 AM WRUF
Marlins Morning News: Cremo offers Marlins season supply of facial grooming products - Fish Stripes