The New York Yankees won 26 World Series titles in 39 appearances. The St Louis cardinal won the second most with 10 World Series titles in 17 appearances. The Philadelphia/Oakland A's (3rd most) won 9 in 14 appearances, the Red Sox (4th most) 7 in 11 appearances, and the Dodgers (5th most) have 6 titles in 18 World Series appearances second most to the Yankees.
The New York Yankees have played in the most World Series games.
the Yankees with 27
Yankees have been in 40 world series with a 27-13 record.
New York Yankees
The great Philadelphia Philles! They Rule Baseball.
The New York Yankees.
As of the 2008 season, the New York Yankees have lost the most World Series with 13. They have also won the most World Series at 26.