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.
Because the MLB season ends at the end of September..after the divisional playoffs, then the World Series begins. This season, the Series went into November.
The New York Yankees won their 27th World Series in the 2009 season, and us Yankees fans are hoping for #28 in the 2010 season!
Approximately 54. There are 162 games, and the average series is 3 games.
*That should be announced after the 2010 regular season ends in October.
162 games.
Seattle Mariners
Giants
211
The Oakland Athletic have the third most World Series titles with 9.
Most World Series won: New York Yankees - 27.
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