William Anthony Hallahan
- Bats Right, Throws Left
- Height 5' 10½", Weight 170 lb.
- Debut April 16, 1925
- Final Game September 14, 1938
- Born August 4, 1902 in Binghamton, NY USA
- Died July 8, 1981 in Binghamton, NY USA
"Wild Bill" Hallahan was the starting pitcher for the National League in the first All-Star Game in 1933. He earned his nickname by leading the National League in bases on balls allowed and wild pitches three times each.
A twelve-year major leaguer, he was a member of the Gas House Gang and was the top pitcher in the 1931 World Series, winning a couple of games and saving the final game of the Series. In 39 2/3 innings of World Series pitching, spread out over four different Series, Hallahan had an ERA of 1.36. His St. Louis Cardinals won three of the four Series.
He was a World War II veteran and worked for G.A.F. Corporation after his playing days.
- NL All-Star (1933)
- NL Wins Leader (1931)
- 2-time NL Strikeouts Leader (1930 & 1931)
- 15 Wins Seasons: 4 (1930, 1931, 1933 & 1935)
- 200 Innings Pitched Seasons: 3 (1930, 1931 & 1933)
- Won three World Series with the St. Louis Cardinals (1926, 1931 & 1934)
- Gregory H. Wolf: "Bill Hallahan", in Charles F. Faber, ed.: The 1934 St. Louis Cardinals: The World Champion Gas House Gang, SABR, Phoenix, AZ, 2014, pp. 138-144. ISBN 978-1-933599-731