Banning beards in baseball is completely backwards - The Gateway
Marlins, Mattingly adopt no facial hair policy
Don Mattingly Reinstates No Facial Hair Policy for Marlins
The Marlins changed their dumb facial hair policy, so players can
Don Mattingly is out as Miami Marlins manager - BVM Sports
Legendary mustache-haver Don Mattingly bans facial hair on Marlins
Don Mattingly, Marlins lift ban on facial hair
Don Mattingly decides that Marlins players are now allowed to have
Derek Jeter won't ban beards in the Marlins
Don Mattingly, Marlins Mutually Parting Ways After 2022 – NBC 6