Dave Koslo

George Bernard "Dave" Koslo (né Koslowski,[1] 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.

Dave Koslo
Born: (1920-03-31)March 31, 1920
Menasha, Wisconsin
Died: December 1, 1975(1975-12-01) (aged 55)
Menasha, Wisconsin
Batted: Left Threw: Left
MLB debut
September 12, 1941, for the New York Giants
Last MLB appearance
April 14, 1955, for the Milwaukee Braves
MLB statistics
Win–loss record92–107
Earned run average3.68
Career highlights and awards

On April 18, 1947, Koslo gave up Jackie Robinson's first major league home run, hit in the third inning.[2]

Koslo was the National League ERA champion in 1949 with New York. For his career, he compiled a 92–107 record in 348 appearances, with a 3.68 ERA and 606 strikeouts.

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.[3] After recovering from a stroke in 1957, he worked in sales.[4] He was born in Menasha, Wisconsin, and later died there at the age of 55.[5]

See alsoEdit


  1. ^ Kondy, W. Kornel (Summer 2004). "Dave Koslo" (PDF). pgsmn.org. Polish Genealogical Society of Minnesota. p. 6. Retrieved June 12, 2019.
  2. ^ 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.
  3. ^ "Baseball in Wartime – Dave Koslo". BaseballinWartime.com. Retrieved June 12, 2019.
  4. ^ Dave Koslo at the SABR Baseball Biography Project, by Gregory H. Wolf , Retrieved June 12, 2019.
  5. ^ Dave Koslo Is Dead at 55; Former Pitcher on Giants

External linksEdit