1972: Athletics hold baseball's first-ever Mustache Day at the Oakland Coliseum. Owner Charlie …

In modern baseball history, only one team not named the New York Yankees has ever won three consecutive World Series. That team was the Oakland

Mustaches and Mayhem: Charlie O's Three-Time Champions: The Oakland Athletics: 1972-74 (SABR Digital Library)

The hairs versus the squares': How the 1972 A's won it all while breaking barriers with their upper lips - The Athletic

Turn back the clock to 1969 in Oakland - Mangin Photography Archive

Rollie Fingers' three days with the Red Sox

Michael Keedy's Top-Ten Greatest World Series Catches! No. Nine: Joe Rudi, 1972

A's celebrate 50 historic years in Oakland

Athletics celebrate '72 champs, players wonder of future in Oakland

1972 World Series 50th Anniversary Reunion

1972 World Series 50th Anniversary Reunion