Context: Major League Baseball (MLB) has seen numerous incredible teams and players since its inception, with a rich history of competitive World Series championships. One might think of storied franchises like the Boston Red Sox, the St. Louis Cardinals, or the San Francisco Giants when considering the most World Series appearances. Indeed, these teams have had their fair share of October success. However, one can't overlook the powerhouse teams from large market cities like Los Angeles or Chicago. Many baseball fans, whether they're hardcore statisticians or casual observers, have spent hours debating and analyzing team performances across decades. In this context, the New York Yankees, with their iconic pinstripes and emblem, have been a significant part of MLB history, boasting an impressive roster of players and a loyal fan base. This storied franchise has had an undeniable impact on the sport, leading to continued interest and analysis of their performance in the World Series.

Question: who played in the most world series games

Answer the question solely based on the given context.