Four Perfect Games, Nine No-hitters By 12 Yankees Pitchers
Difference Between A No-Hitter and A Perfect Game
Astros' Framber Valdez twirls no-hitter in win over Guardians
Michael Lorenzen throws no-hitter as Phillies beat Nationals 7-0 - The San Diego Union-Tribune
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Astros Throw Second No-Hitter in World Series History - The New York Times
The Houston Astros pitchers make history and record a World Series no-hitter
Yankees' Corey Kluber throws no-hitter: Here's a list of Yankees no-hitters and perfect games
Domingo Germán throws 24th perfect game in MLB history - The Washington Post
Joe Musgrove Throws First No-Hitter in Padres History - The New York Times
Yankees pitcher Domingo Germán throws perfect game against Oakland
Yankees' Germán throws perfect game against A's, 24th in MLB history
No-hitter for 2nd straight day: Kluber pitches Yanks' gem
Astros-Phillies updates: Astros throw combined no-hitter
Not To Be Overshadowed by the Deadline, Framber Valdez Spins a No-Hitter
When was MLB's last combined no-hitter? History of pitching feat rarer than perfect game