The New York Yankees with 27.
As a player, Yogi Berra (of the Yankees) with 10. Yogi has 3 more rings as a coach/manager. (69 Mets, 77&78 Yanks.) A total of 13 rings.
The person with the most rings is not a player or manager, but it is a former announcer, Bob Sheppard (Retired Yankee Stadium Announcer), with 13 rings.
As a player and third base coach for the Yankees, Frank "The Crow" Crosetti was part of 17 World Championships, during 1932 through 1964. Frank's rings were 8 as a player and 9 as a coach all with the Yanks. This is the most of any individual.
The St. Louis Cardinals have the most World Series titles in the National League with 10.
The Chicago Cubs won two World Series titles in 1907 and 1908.
As of 2009, the American League won 61 World Series titles, the National League 43.
The New York Yankees won 5 consecutive World Series from 1949 -1953.
The New York Yankes won 26 World Series titles in 39 appearances.
The St. Louis Cardinal won the second most world Series titles with 10.
The New York Yankees have won the most World Series titles (27).
The Boston Red Sox have the fourth most World Series titles with 7.
Yankees with 27 world series titles
Yogi Berra won 10 World Series titles in 14 appearances.
The Oakland Athletics won the third most World Series titles with 9.
The Los Angeles Dodgers won the Most World Series titles in the 1980's with two. 1981, and 1988.
The Oakland Athletic won the third most World Series titles with 9.
Babe Ruth won 3 World Series titles with the Boston Red Sox, and 4 World Series titles with the New York Yankees.
The New York Yankees appeared in the most World Series and Won 27 titles.
The New York Yankees have won the most World Series titles (26)
Yogi Berra appeared in 14 World Series in which the team won 10 World Series titles.