Two years later, again in a World Series Game 4 in St. Louis, he once more hit three, despite recording only three at-bats (he walked in his other two plate appearances). The game completed a sweep of the Cards, and caused The New York Times to gush on the front page that the Yanks were “establishing records that will live as long as the game itself.”
So far, that prediction is holding up. Ruth remains the only player to homer three times in a postseason game twice, and he did it when the postseason consisted of only one round per year.
Article source: https://www.nytimes.com/2021/10/22/sports/baseball/chris-taylor-three-homers.html