 He is credited with having developed the forkball pitch.Bush helped the Athletics win the 1913 World Series and the 1914 American League pennant, the Red Sox win the 1918 World Series, the Yankees win the 1922 AL pennant and 1923 World Series and the Pirates win the 1927 National League pennant.Bush led the American League in losses (24) in 1916, walks allowed (109) in 1924, and wild pitches in 1916 (15), 1923 (12) and 1924 (7).