Jefferson Street Grounds

Jefferson Street Grounds
	Interactive map of Jefferson Street Grounds
Former names	Olympic Ball Ground; Athletic Base Ball Grounds
Location	Philadelphia, Pennsylvania, United States
Coordinates	39°58′41″N 75°10′35″W / 39.97806°N 75.17639°W Jefferson Street Grounds (1883–1890); 39°58′40″N 75°10′43″W / 39.97778°N 75.17861°W Jefferson Street Grounds (1864–1876)
Owner	City of Philadelphia
Capacity	15,000 (1884); 5,200 (1883); 5,000 (1871)
Surface	Natural grass
Construction
Opened	May 25, 1864 (amateur); April 10, 1871 (professional); April 22, 1876 (National League); April 7, 1883 (American Association);
Renovated	1883
Closed	October 11, 1890
Tenants
	Olympic Ball Club (1864-1871); Philadelphia Athletics (NA) (1871–1875); Philadelphia White Stockings (NA) (1873–1875); Philadelphia Athletics (NL) (1876); Philadelphia Athletics (AA) (1883–1890);

Jefferson Street Grounds was a baseball field located in Philadelphia, Pennsylvania. It was most commonly referred to by the club and in the press by its location, Twenty-Fifth and Jefferson Streets. It was first home to the amateur Olympic Base Ball Club beginning to 1864 when it was referred to as the Olympic Ball Ground. It was home to three different professional baseball teams, competing in three different leagues. Notably, it was the venue for the first game in National League history, played on April 22, 1876. The grounds were owned by the City of Philadelphia and leased to the teams.