Yankees! with 27 Championships. THEY RULE!
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.