The Oakland Athletic have the third most World Series titles with 9.
Most World Series won: New York Yankees - 27.
Yogi Berra appeared in 14 World Series in which the team won 10 World Series titles.
As of 2011, the New York Yankees have won the most World Series, capturing the trophy 27 times.
Click on the 'World Series Winners' link on this page to see how many World Series each MLB team has won.
The New York Yankees won 27 World Series titles, in 40 Appearances.
The New York Yankees have won the most World Series Championships with 27. The second is St. Louis Cardinals with 11.
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.
That team never made the MLB World Series.
The New York Yankees with 5 between 1949-1953.