The New York Yankees.
The New York Yankees have played in the most World Series games.
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Yankees
The New York Yankees won 27 World Series championships.
Yogi Berra
Yogi Berra played in the most World Series games with 75.
Today, most World Series games are played at night.
Archives of the World Series baseball games can be found at ESPN. For current coverage of World Series events there are several free apps that can be downloaded. ScoreMobile and ESPNRadio are the two most downloaded apps for this event.
The New York Yankees have lost 88 World Series games. Of course, they have been in 39 World Series so it would only make sense that they have lost the most games. They have also won the most World Series games with 130.
NY Yankees
The most games played in one season including playoffs are179. ( Not including Spring Training )
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.