John B. Day

John B. Day
Day in 1884
Owner / Manager
Born: (1847-09-23)September 23, 1847
Colchester, Connecticut, U.S.
Died: January 25, 1925(1925-01-25) (aged 77)
Cliffside, New Jersey, U.S.
MLB statistics
Games managed66
Managerial record29–35
Winning %.453
Teams
As manager

John Bailey Day (September 23, 1847 – January 25, 1925) was an American tobacco merchant who became an owner and manager in professional baseball of the late 19th century. He was the first owner of the franchise now known as the San Francisco Giants.