<P> The 1903 World Series was the first modern World Series to be played in Major League Baseball . It matched the Boston Americans of the American League against the Pittsburg Pirates of the National League in a best - of - nine series , with Boston prevailing five games to three , winning the last four . </P>
<P> The 1903 World Series was the first modern World Series to be played in Major League Baseball . It matched the Boston Americans of the American League against the Pittsburg Pirates of the National League in a best - of - nine series , with Boston prevailing five games to three , winning the last four . </P>
who played in the first world series and who won
who played in the first world series and who won
Boston Americans of the American League Pittsburg Pirates of the National League Boston prevailing five games to three
Boston Americans of the American League Pittsburg Pirates of the National League Boston prevailing five games to three