Question: Who's won the most world series in baseball?
Disambiguated questions and answers: question: Who's the team that has won the most total world series in baseball?
Who's the team that has won the most consecutive world series in baseball?
Who's the player that has won the most world series in baseball?
Who's the manager that has won the most world series in baseball?
Who's won the most world series in baseball as a player and coach combined?
answer: New York Yankees
New York Yankees
Yogi Berra
Joe McCarthy and Casey Stengel
Frankie Crosetti
Natural Questions answer: New York Yankees (from the Wikipedia article "World Series")