George Bernard "Dave" Koslo (born George Bernard Koslowski, March 31, 1920 - December 1, 1975) was a former professional baseball left-handed pitcher

Pitcher

In baseball, the pitcher is the player who throwsthe baseball from the pitcher's mound toward the catcher to begin each play, with the goal of retiring a batter, who attempts to either make contact with the pitched ball or draw a walk. In the numbering system used to record defensive plays, the...

 over parts of twelve seasons (1941–1942, 1946–1955) with the New York Giants

San Francisco Giants

The San Francisco Giants are a Major League Baseball team based in San Francisco, California, playing in the National League West Division....

, Baltimore Orioles

Baltimore Orioles

The Baltimore Orioles are a professional baseball team based in Baltimore, Maryland in the United States. They are a member of the Eastern Division of Major League Baseball's American League. One of the American League's eight charter franchises in 1901, it spent its first year as a major league...

 and Milwaukee Braves

Atlanta Braves

The Atlanta Braves are a professional baseball club based in Atlanta, Georgia. The Braves are a member of the Eastern Division of Major League Baseball's National League. The Braves have played in Turner Field since 1997....

. On April 18, 1947, Koslo gave up Jackie Robinson

Jackie Robinson

Jack Roosevelt "Jackie" Robinson was the first black Major League Baseball player of the modern era. Robinson broke the baseball color line when he debuted with the Brooklyn Dodgers in 1947...

’s first major league home run, hit in the third inning. He was the National League

National League

The National League of Professional Baseball Clubs, known simply as the National League , is the older of two leagues constituting Major League Baseball, and the world's oldest extant professional team sports league. Founded on February 2, 1876, to replace the National Association of Professional...

 ERA

Earned run average

In baseball statistics, earned run average is the mean of earned runs given up by a pitcher per nine innings pitched. It is determined by dividing the number of earned runs allowed by the number of innings pitched and multiplying by nine...

 champion in 1949 with New York

San Francisco Giants

The San Francisco Giants are a Major League Baseball team based in San Francisco, California, playing in the National League West Division....

. For his career, he compiled a 92-107 record in 348 appearances, with a 3.68 ERA and 606 strikeout

Strikeout

In baseball or softball, a strikeout or strike-out occurs when a batter receives three strikes during his time at bat. A strikeout is a statistic recorded for both pitchers and batters....

s.

He was born and later died in Menasha, Wisconsin

Menasha, Wisconsin

Menasha is a city in Calumet and Winnebago Counties in the U.S. state of Wisconsin. The population was 16,331 at the 2000 census. The city is located mostly in the Town of Menasha in Winnebago County; only a small portion is in the Town of Harrison in Calumet County. Doty Island is located...

, at the age of 55.

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