<P> The 2003 World Series was the championship series of Major League Baseball 's ( MLB ) 2003 season . The 99th edition of the World Series , it was a best - of - seven playoff between the National League ( NL ) champion Florida Marlins and the American League ( AL ) champion New York Yankees ; the Marlins defeated the heavily favored Yankees , four games to two . The series was played from October 18 -- 25 , 2003 . This is the most recent Series in which the losing team outscored the winning team ; the Yankees lost , despite outscoring the Marlins 21 -- 17 in the Series . This was the Marlins ' second World Series championship win , having won their first in 1997 . As of 2017 , this is the Marlins ' last appearance not only in the World Series , but in the postseason at all . </P>
<P> The 2003 World Series was the championship series of Major League Baseball 's ( MLB ) 2003 season . The 99th edition of the World Series , it was a best - of - seven playoff between the National League ( NL ) champion Florida Marlins and the American League ( AL ) champion New York Yankees ; the Marlins defeated the heavily favored Yankees , four games to two . The series was played from October 18 -- 25 , 2003 . This is the most recent Series in which the losing team outscored the winning team ; the Yankees lost , despite outscoring the Marlins 21 -- 17 in the Series . This was the Marlins ' second World Series championship win , having won their first in 1997 . As of 2017 , this is the Marlins ' last appearance not only in the World Series , but in the postseason at all . </P>
who did the marlins beat in the 2003 world series
who did the marlins beat in the 2003 world series
New York Yankees
New York Yankees