According to ESPN Stats & Info, Atlanta’s Ronald Acuna Jr. became the youngest player in postseason history to hit a grand slam with that second-inning blast, at 20 years, 293 days old. The previous record was by Mickey Mantle, who was 21 when he hit one in the 1953 World Series. I’m not sure if Acuna was taking on his own on that 3-0 pitch before his slam, but if it was a take sign, it might be the last one he ever sees.
This article was originally published by Espn.com. Read the original article here.