Four Perfect Games, Nine No-hitters By 12 Yankees Pitchers
List of New York Yankees no-hitters - Wikipedia
Yankees' Germán throws perfect game against A's, 24th in MLB history
Difference Between A No-Hitter and A Perfect Game
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Domingo Germán throws 24th perfect game in MLB history – NBC New York
MLB: Yankees' Domingo Germán throws perfect game against A's
New York Yankees' Corey Kluber throws 6th no-hitter in MLB this season, stopping Texas Rangers - ESPN
What is the difference between no-hitter and perfect game? Comparison between two rare feats in baseball
Domingo Germán's perfect game: Weird & Wild rundown of … the least likely perfecto ever? - The Athletic
Iwakuma No-Hitter — Facts & Figures, by Mariners PR