|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|
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.
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.
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