The St. Louis Cardinals lost to the Philadelphia Athletics in the 1930 World Series.
The Tampa Bay Rays lost to the Philadelphia Phillies in the 2008 World Series.
The Colorado Rockies lost the 2007 World Series to the Boston Red Sox.
Bobby Richardson of the New York Yankees In 1960 the Yankees played the Pirates in the World Series and lost in seven games.
The Pittsburgh Pirates were the losing team in the 1903 World Series.
Through the 2008 season, both the Dodgers and Giants have lost 12 World Series.
Four - '69 Won World Series, 73 Lost World Series to Oakland A's, 86 Won World Series & '00 Lost World Series to dreaded Yanks
The Chicago Cubs have reached the Postseason 15 times as of 20091. 1907 - Won World Series (DET 4-0)2. 1908 - Won World Series (DET 4-1)3. 1910 - Lost World Series (PHA 1-4)4. 1918 - Lost World Series (BOS 2-4)5. 1929 - Lost World Series (PHA 1-4)6. 1932 - Lost World Series (NYY 0-4)7. 1935 - Lost World Series (DET 2-4)8. 1938 - Lost World Series (NYY 0-4)9. 1945 - Lost World Series (DET 3-4)10. 1984 - Lost NLCS (SD 2-3)11. 1989 - Lost NLCS (SF 1-4)12. 1998 - Lost NLDS (ATL 0-3)13. 2003 - Lost NLCS (FLA 3-4)14. 2007 - Lost NLDS (ARI 0-3)15. 2008 - Lost NLDS (LAD 0-3)
The San Diego Padres lost the 1984 World Series to the Detroit Tigers 4 games to 1.
The Los Angeles Dodgers lost 4 games to 2 to the Yankees in the 1977 World Series.
The Yankees lost to the Florida Marlins in the 2003 World Series.
As of the start of the 2008 season, the New York Yankees have lost the most World Series at 13. Of course, the Yankees have also won the most World Series at 26 and played in the most World Series at 39.
The Atlanta Braves.