High Quality Content by WIKIPEDIA articles! The 2009 World Series was the 105th edition of Major League Baseball`s (MLB) championship series. The best-of-seven playoff was contested between the Philadelphia Phillies, champions of the National League (NL) and defending World Series champions, and the New York Yankees, champions of the American League (AL). The Yankees defeated the Phillies, four games to two, to win the franchise`s 27th World Series championship. The series was played between October 28 and November 4, broadcast on Fox, and watched by an average of roughly 19 million viewers.