He was also an owner in professional baseball, owning a franchise during the only season of the Players' League, 1890, and being an early part-owner of the team that would become the Brooklyn Dodgers, during 1891–1896.

Chauncey also financed the construction of a stadium for the Wonders in Brownsville, called Eastern Park.

In 1891, Chauncey arranged a merger of his team with the National League's Brooklyn Grooms.

[2] He also insisted that manager Bill McGunnigle, who had just won two league championships, be fired and replaced with Ward,[3] which the other owners, desperate for his cash, agreed to.

[5][6] Born in 1847, Chauncey died in 1926 following a two-week battle with pneumonia, on the day before his 79th birthday.