Article · Wikipedia archive · Last revised Jun 25, 2026

Harry Colliflower

James Harry Colliflower, nicknamed "Collie", was an American Major League Baseball player during the 1899 season. As a 30-year-old rookie southpaw pitcher for the Cleveland Spiders, Colliflower won his debut game on July 21 giving up only 3 runs on 6 hits in a 5–3 victory against his hometown Washington Senators in the first half of a double header. Colliflower then lost his next 11 decisions, compiling an 8.17 earned run average, and a .303 batting average as a substitute outfielder.

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Jun 25, 2026
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Harry Colliflower
Pitcher
Born: (1869-03-11)March 11, 1869
Petersville, Maryland, U.S.
Died: August 14, 1961(1961-08-14) (aged 92)
Washington, D.C., U.S.
Batted: Left
Threw: Left
MLB debut
July 21, 1899, for the Cleveland Spiders
Last MLB appearance
October 12, 1899, for the Cleveland Spiders
MLB statistics
Win–loss record1–11
Earned run average8.17
Strikeouts8
Stats at Baseball Reference 
Teams

James Harry Colliflower (March 11, 1869 – August 14, 1961),1 nicknamed "Collie", was an American Major League Baseball player during the 1899 season. As a 30-year-old rookie southpaw pitcher for the Cleveland Spiders, Colliflower won his debut game on July 21 giving up only 3 runs on 6 hits in a 5–3 victory against his hometown Washington Senators in the first half of a double header.2 Colliflower then lost his next 11 decisions, compiling an 8.17 earned run average, and a .303 batting average as a substitute outfielder.1

In 1905, he coached Georgetown University's baseball team before becoming a minor league umpire for a couple of seasons.2 He umpired in the American League during the 1910 season.34 Colliflower umpired in the Southern League in 1911, and the Departmental League in Washington D.C. in 1912.2 After retiring from umpiring Colliflower worked as a clerk for his nephew's fuel and oil company.2

Family

Colliflower's nephew, James E. Colliflower, earned a bachelor's degree and three law degrees from Georgetown.56 He is enshrined in the Georgetown Athletics Hall of Fame as a coach7 of the varsity men's basketball squad from 1911 to 1914 and 1921–1922.56 James' brother George was also a college basketball coach, for George Washington University.8

References

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