The New York Yankees with 27 World Series Championships.
The NFL
The Yankees, with 27
Yogi Berra.
new york yankes
It's a best of seven, so at the most: 7.
Mickey mantle 1964
You did not mention at what level of baseball you are asking. But in every level there is a playoff system. Most levels from Little League to the Major League it is called the World Series. In the Major Leagues the World Series is determined by a best-of-seven game series between one American League team and one National League team. Whoever wins 4 games first wins the World Series.
The St. Louis Cardinals have the most World Series titles in the National League with 10.
The Oakland Athletics have the second most American League World Series titles with 9.
Rafael Palmeiro with 2831 games without a World Series appearance.
The Yankees won 27 World Series, the most in Major League baseball history.
Most American League World Series Champonships.The New York Yankees won 27 World Series titles, in 40 World Series appearances. More than any other team in Major League history. The Oakland Athletics have the second most World Series titles for an American League team with 9 in 14 World Series appearances. The Boston Red Sox are third with 7 titles in 11 appearances, and the Detroit Tigers are 4th with 4 titles in 10 appearances.