Jack Glasscock, claiming that his pledge to the Brotherhood does not constitute a binding contract, signs with the Indianapolis Hoosiers of the National League, thus becoming the first “double jumper.”

On November 25, 1889 — Jack Glasscock, claiming that his pledge to the Brotherhood does not constitute a binding contract, signs with the Indianapolis Hoosiers of the National League, thus becoming the first “double jumper.”


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Sources:

SABR Games Project
SABR Games Project
Hall of Fame
National Pastime November 25
Replay The Game
Retro Sheet