Conversation so far:
who has won the last 10 world series?
The 2008-2018 Champions include the Philadelphia Phillies, New York Yankees, San Francisco Giants, Louis Cardinals, Boston Red Sox, Kansas City Royals, Chicago Cubs, and Houston Astros.
what team has won the most World Series since 2000?
Boston Red Sox, winning in 2004, 2007, 2013, and 2018

Question: who has won the most all-time?
Self-contained rewrite: who has won the most World Series all time?