Don Larsen defined World Series perfection

Don Larsen, Only Perfect-Game Pitcher In World Series, Dies At 90 : NPR

Yankees pitcher Domingo Germán throws 1st perfect game since 2012, 24th in MLB history

On This Day In Sports: October 8, 1956: Don Larsen's World Series Perfecto

Braves' pitching plan works to near perfection

Don Larsen dies: Yankees SP famous for World Series perfect game - Sports Illustrated

The Perfect Day of an Imperfect Player: Don Larsen's World Series Moment - LIFE

Don Larsen's 1956 World Series perfect game in rare color photos - Sports Illustrated

Don Larsen, who pitched only perfect World Series game, dies at 90 - ESPN

Yankees pitcher throws first perfect game since 2012, Ap

Was Don Larsen that good or lucky that he is the only person to pitch a perfect game in baseball's the World Series? - Quora

Larsen, Who Threw Only Perfect World Series Game, Dies At 90 - Bloomberg