You know many of them think they're the only country that matters/centre of the world when the World Series literally involves two countries (predominantly the USA, of course), unlike various world cups that actually involve participants from around the world, hence the title "World Cup".

https://en.wikipedia.org/wiki/World_Series

P.S. I am now awaiting a typical response from a Flat Earther that's been triggered because of the above-mentioned "globe" reference...

P.P.S. Yes, it is "centre" in British English.