Four Perfect Games, Nine No-hitters By 12 Yankees Pitchers
MLB: Yankee hurler throws first perfect game since 2012 - Salisbury Post
Perfection: A look back at the glorious history of MLB's perfect games
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Weeks after throwing perfect game, Yankee pitcher Domingo Germán enters treatment for alcohol abuse
David Cone's Perfect Game New York Yankees
A Pitcher's Story: Innings with David Cone: 9780446678469: Angell, Roger: Books
David Cone - Wikipedia
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This Day in Transaction History: Blue Jays acquire David Cone again - NBC Sports
YES' Ryan Ruocco on calling Yankee Domingo German's perfect game
Here's the last 10 perfect games in MLB history. : r/mlb
Why Yankees great David Cone says Domingo Germán's perfect game could be life-changer - The Athletic