Boston Red Caps

The Atlanta Braves, a current Major League Baseball franchise, originated in Boston, Massachusetts. This article details the history of the Boston Braves, from 1871 to 1952, after which they moved to Milwaukee to become the Milwaukee Braves. The Boston Franchise played at South End Grounds from 1871 to 1914 and at Braves Field from 1915 to 1952. Braves Field is now Nickerson Field of Boston University. The franchise, from Boston to Milwaukee to Atlanta, is the oldest continuous professional baseball franchise.

The , established in 1869 as the first openly all-professional baseball team, voted to dissolve after the 1870 season. Player-manager Harry Wright then went to Boston, Massachusetts at the invitation of Boston Red Stockings founder Ivers Whitney Adams, with brother George and two other Cincinnati players, to form the nucleus of the Boston Red Stockings, a charter member of the National Association of Professional Base Ball Players. The original Boston Red Stockings team and its successors can lay claim to being the oldest continuously playing team in American professional sports. (The only other team that has been organized as long, the Chicago Cubs, did not play for the two years following the Great Chicago Fire of 1871.) Two young players hired away from the Forest City club of Rockford, Illinois, turned out to be the biggest stars during the NAPBBP years: pitcher Al Spalding (founder of Spalding sporting goods) and second baseman Ross Barnes.

...
Wikipedia