Rollie Fingers chose to retire from baseball rather than shave off that iconic mustache
TBT: '72 A's hold memorable 'Mustache Day
On This Day In Sports: February 21, 1986: Rollie Fingers announces he is retiring
Rollie Fingers explains the story behind the mustache - Sports Collectors Digest
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Rollie Fingers Baseball Stats by Baseball Almanac
MLB Facial Hair Hall of Fame - Men's Journal
Famous Mustaches From History
Rollie Fingers: World Series Closer Second to Only One - Cooperstown Cred
Happy birthday to Rollie Fingers, who chose retirement over shaving his mustache
Rollie Fingers chose to retire from baseball rather than shave off that iconic mustache
The mustache that ended a HOF career
Rollie Fingers Grew His Iconic Moustache for $300? - Baseball Quotin' Episode 11
The Baseball Guy
Oakland A's handlebar: A generation later, from Rollie Fingers to Daniel Mengden - Athletics Nation