May 30, 1927 (Monday)
- Jimmy Cooney of the Chicago Cubs made an unassisted triple play in a game against the Pittsburgh Pirates. The very next day, Johnny Neun of the Detroit Tigers duplicated the feat. Only five players had accomplished the feat before Cooney and Neun; it didn't happen again until July 30, 1968. Cooney himself had been tagged out in the last on on May 7, 1925.
- George Souders, a 24-year-old driving his first major auto race ever, won the 15th annual Indianapolis 500
- Born: Clint Walker, American TV actor (Cheyenne), in Hartford, Illinois
Read more about this topic: May 1927