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Basketball Association of America History

The Basketball Association of America, better known as the BAA, operated from 1946 through 1949 and became the foundation of the modern National Basketball Association.

History of the Basketball Association of America

The Basketball Association of America was founded in 1946 as a new professional basketball league built around major arenas in large American and Canadian cities. Unlike many earlier professional basketball leagues that operated in smaller gymnasiums and industrial markets, the BAA was designed to place professional basketball in prominent buildings such as Madison Square Garden, Boston Garden and Maple Leaf Gardens.

The first BAA season began in 1946-47 with 11 teams. The first game in league history was played on November 1, 1946, when the New York Knickerbockers defeated the Toronto Huskies 68-66 at Maple Leaf Gardens in Toronto. Because the NBA recognizes BAA games as part of its official history, that contest is also recognized as the first game in NBA history.

The BAA operated for three seasons. Four teams disappeared after the inaugural season, while the Baltimore Bullets joined the league for 1947-48. Before the 1948-49 season, four established National Basketball League franchises moved into the BAA: the Fort Wayne Pistons, Indianapolis Jets, Minneapolis Lakers and Rochester Royals.

In 1949, the BAA and the remaining NBL organizations were brought together under the name National Basketball Association. The modern NBA considers the BAA's three seasons part of its official history, which is why NBA historical records begin with the 1946-47 BAA season.

BAA Quick Facts
Category Total
BAA Seasons 3
Years of Operation 1946-1949
Players 295
Teams That Played in the BAA 16
BAA Franchises Still in the NBA 6
Original Teams in 1946-47 11
BAA Champions

The BAA crowned three champions during its three seasons. The Philadelphia Warriors won the inaugural championship in 1947, the Baltimore Bullets won in 1948 and the Minneapolis Lakers won the final BAA championship in 1949.

View the complete BAA Champions list »

Basketball Association of America Teams
Team BAA Seasons What Happened to the Franchise?
Boston Celtics 1946-49 Joined the NBA in 1949 and remain in Boston. The Celtics have won 18 NBA championships.
Chicago Stags 1946-49 Joined the NBA in 1949 and disbanded in 1950.
Cleveland Rebels 1946-47 Played one BAA season and folded after the league's inaugural year.
Detroit Falcons 1946-47 Played one BAA season before folding in 1947.
New York Knickerbockers 1946-49 Joined the NBA in 1949 and remain one of the league's original continuous franchises. New York has won two NBA championships.
Philadelphia Warriors 1946-49 Won the first BAA championship in 1947. The franchise later became the Golden State Warriors and has won seven championships in BAA/NBA history.
Pittsburgh Ironmen 1946-47 Played one BAA season and folded in 1947.
Providence Steamrollers 1946-49 Played all three BAA seasons before folding in 1949.
St. Louis Bombers 1946-49 Joined the NBA in 1949 and disbanded following the 1949-50 season.
Toronto Huskies 1946-47 Played in the first game in BAA/NBA history and folded after one season.
Washington Capitols 1946-49 Joined the NBA in 1949. The franchise folded during the 1950-51 season.
Baltimore Bullets 1947-49 Joined the BAA from the ABL, won the 1948 BAA championship and continued into the NBA before folding in 1954.
Fort Wayne Pistons 1948-49 Joined the BAA from the NBL in 1948 and entered the NBA in 1949. The franchise moved to Detroit in 1957 and has won three NBA championships.
Indianapolis Jets 1948-49 Joined the BAA from the NBL for its final season and folded in 1949.
Minneapolis Lakers 1948-49 Joined the BAA from the NBL, won the 1949 BAA championship and later moved to Los Angeles. The Lakers have won 17 NBA/BAA championships.
Rochester Royals 1948-49 Joined the BAA from the NBL and entered the NBA in 1949. The franchise later became the Sacramento Kings.
Six BAA Franchises Still in the NBA

Six franchises that participated in the BAA remain active in the NBA: the Boston Celtics, New York Knicks, Golden State Warriors, Detroit Pistons, Los Angeles Lakers and Sacramento Kings.

Boston, New York and Philadelphia were founding BAA franchises in 1946. Fort Wayne, Minneapolis and Rochester entered from the NBL for the BAA's final season in 1948-49 before becoming part of the NBA.

The BAA's Place in NBA History

Although the league operated under the BAA name for only three seasons, its history forms the beginning of the official NBA record book. The NBA's first season is recognized as 1946-47, its first champion as the Philadelphia Warriors, and its first official game as the November 1, 1946 meeting between New York and Toronto.

The BAA also established the major-market arena model that helped professional basketball develop into a national league. The arrival of powerful NBL franchises such as Minneapolis, Rochester and Fort Wayne strengthened the competition before the league was reorganized as the NBA in 1949.