Break out the mustache wax! We're - Oakland Athletics
1970's Oakland A's
Tim Wakefield, who revived his career and Red Sox trophy case with knuckleball, has died at 57
Sal Bando, Captain of Championship Oakland Athletics, Dies at 78 - The New York Times
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What are the best mustaches in Oakland A's history? - Athletics Nation
The hairs versus the squares': How the 1972 A's won it all while breaking barriers with their upper lips - The Athletic
1977 and the Hirsute Hardball Hero – SABR's Baseball Cards Research Committee
The mustache that ended a HOF career
Oakland A's handlebar: A generation later, from Rollie Fingers to Daniel Mengden - Athletics Nation
New pitcher Puk and old ballpark give A's big advantage
A's Matt Olson debuts mustache, hits three HRs in two games: 'I didn't do it to look good
Why Sports Card Values from the Late-80s and Early-90s Are Low
Why Oakland A's pitcher Mike Fiers played with unusual beard