George Bernard "Dave" Koslo (né Koslowski, March 31, 1920 – December 1, 1975) was a professional baseball left-handed pitcher over parts of twelve seasons (1941–1942, 1946–1955) with the New York Giants, Baltimore Orioles and Milwaukee Braves.
|Born: March 31, 1920|
|Died: December 1, 1975 (aged 55)|
|September 12, 1941, for the New York Giants|
|Last MLB appearance|
|April 14, 1955, for the Milwaukee Braves|
|Earned run average||3.68|
|Career highlights and awards|
Koslo was the winning pitcher in the opening game of the 1951 World Series and the losing pitcher of its final game.
Koslo served in World War II as a member of the 13th Airborne Division of the United States Army from 1943 to 1945. After recovering from a stroke in 1957, he worked in sales. He was born in Menasha, Wisconsin, and later died there at the age of 55.
- Kondy, W. Kornel (Summer 2004). "Dave Koslo" (PDF). pgsmn.org. Polish Genealogical Society of Minnesota. p. 6. Retrieved June 12, 2019.
- Eig, Jonathan (2007). Opening Day: The Story of Jackie Robinson's First Season. New York: Simon & Schuster. p. 68. ISBN 978-0-7432-9461-4.
- "Baseball in Wartime – Dave Koslo". BaseballinWartime.com. Retrieved June 12, 2019.
- Dave Koslo at the SABR Baseball Biography Project, by Gregory H. Wolf , Retrieved June 12, 2019.
- Dave Koslo Is Dead at 55; Former Pitcher on Giants
- Career statistics and player information from MLB, or Baseball-Reference, or Baseball-Reference (Minors), or Retrosheet
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