The New York Yankees lost to the Florida Marlins in the 2003 World Series.
Florida Marlins
Derek Jeter has played with the Yankees since 1995. During that period, the Yankees lost the World Series in 2001 (to Arizona) and 2003 (to Florida).
The New York Yankees won the 2000 World Series.
No, the Atlanta Braves never beat the Yankees in the World Series. The Yankees did lose to the Milwaukee Braves in the 1957 World Series.
The New York Yankees won the 1961 World Series. The Yankees beat the Cincinnati Reds 4 games to 1.
The Yankees won the 2000 World Series, defeating the New York Mets 4 games to 1.
The Milwaukee Braves
Yes. The Yankees lost the 1957 World Series to the Milwaukee Braves 4 games to 3.
The Yankees defeated the Milwaukee Braves in the 1958 World Series 4 games to 3.
The Yankees have lost 14 World Series. For more information check out the Baseball Almanac website linked under Related Links for this question.
Yes. The New York Giants defeated the New York Yankees, 5 games to 3, to win the 1921 World Series.