The Homer in the Gloamin' is one of the most famous walk-off home runs in baseball folklore, hit by Gabby Hartnett of the Chicago Cubs near the end of the 1938 Major League Baseball season. The expression was a play on the popular song, "Roamin' In The Gloamin' " and was used in the lead paragraph of a story about the game written by Earl Hilligan for the Associated Press.
The Pittsburgh Pirates had led the National League for much of the 1938 season, but when the final month of the season came, the Pirates began to falter. By the time they came to Chicago late in September for a three-game series, the Chicago Cubs were one and a half games behind the Pirates in the standings. The Cubs won the first game of the series 2–1, behind the pitching of Dizzy Dean who, by then was well past his prime. With an ailing arm, Dean relied more on his experience and grit to defeat the Pirates and would later call it the greatest outing of his career. The victory cut the Pirates' lead to a half game and, set the stage for one of baseball's most memorable moments.
The game on September 28, 1938, reached the bottom of the ninth inning with the score tied at 5 runs apiece. With darkness descending on a Wrigley Field that did not yet have artificial lighting, the umpires ruled that the ninth inning would be the last to be played. At the time, suspended game rules did not provide for suspending games due to darkness. The game would have to have been replayed in its entirety the following day, prior to the scheduled third game of the series. Hartnett came to bat with two outs in the bottom of the ninth inning. With a count of 0 balls and 2 strikes, Hartnett connected on a Mace Brown pitch, launching the ball into the darkness, before it eventually landed in the left-center field bleachers for a game-winning home run. The stadium erupted into pandemonium as players and fans stormed the field to escort Hartnett around the bases.