Kansas City Royals reliever Cory Bailey wins both ends of a doubleheader against the Texas Rangers, becoming the first pitcher since David Wells in 1989 to accomplish the feat.

On May 26, 2002 — Kansas City Royals reliever Cory Bailey wins both ends of a doubleheader against the Texas Rangers, becoming the first pitcher since David Wells in 1989 to accomplish the feat.

Source:
Baseball Reference May 26