The 1957 NBA World Championship Series was the championship series of the 1956–57 National Basketball Association season, and was the conclusion of the 1957 NBA Playoffs. The best-of-seven series was played between the Western Division champion St. Louis Hawks and the Eastern Division champion Boston Celtics. This was the first trip to the Finals for each team, the first Finals in which both teams competing were making their first appearances since 1951. Red Auerbach became the first head coach to have taken two separate teams to the NBA Finals, having done so with Washington in 1949. The Celtics won the series over the Hawks, 4–3. It remains the only Game 7 in NBA history to be decided in double-overtime. Game summaries Celtics win series 4–3 Team rosters Boston Celtics St. Louis Hawks Records Celtics center Bill Russell set a rookie record for rebounds in a single NBA finals game with 32 in game 7, and averaged an NBA finals rookie record of 22.9 rebounds per game for the entire series. References External links NBA History Finals National Basketball Association Finals NBA NBA Basketball competitions in Boston Basketball competitions in St. Louis March 1957 sports events in the United States April 1957 sports events in the United States 1950s in Boston 1950s in St. Louis 1957 in sports in Missouri 1957 in sports in Massachusetts