<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 won the first baseball world series game in 1903
who won the first baseball world series game in 1903
the Boston Americans of the American League
the Boston Americans of the American League