The 1972 World Series was the championship series of Major League Baseball's (MLB) 1972 season. The 69th edition of the World Series, it was a best-of-seven playoff between the American League champion Oakland Athletics and the National League champion Cincinnati Reds. The Athletics won in seven games for their sixth World Series championship and first since 1930, when the team was still based in Philadelphia. This was the first major professional sports championship ever won by a San Francisco Bay Area-based team.