Edwin Henry Killian (November 12, 1876 – July 18, 1928), nicknamed "Twilight Ed" and the "Twilight Twirler", was an American left-handed pitcher in Major League Baseball. Killian played professional baseball from 1902 to 1912, including seven seasons with the Detroit Tigers from 1904 to 1910. He recorded an MLB won-loss record of 103–78 for a winning percentage of .569. Twice a 20-game winner (including a 25–13 season in 1907), Killian's career earned run average (ERA) of 2.38 ranks 26th best in major league history. He also helped lead the Tigers to three consecutive American League pennants from 1907 to 1909, including winning both games of a doubleheader on September 30, 1909, to clinch the third pennant. As a hitter, Killian posted a .209 batting average (127-for-609) with 56 runs, 52