From 1903 to 1973, no unique or official logos for the World Series were adopted by Major League Baseball but there were existing patches of the winning team throughout its history.
World Series Stock Illustrations – 27,587 World Series Stock Illustrations, Vectors & Clipart - Dreamstime
Baseball, football, and basketball logo evolutions
MLB World Series Logo - Primary Dark Logo - Major League Baseball (MLB) - Chris Creamer's Sports Logos Page
LOS ANGELES DODGERS - 2020 WORLD SERIES CHAMPIONS Logo Concept by Matthew Harvey on Dribbble
Micro Machines: World Series, Logopedia
Champ Car, Logopedia
2020 World Series Logo ( Created By Me, Not Official) : r/mlb
Micro Machines: World Series, Logopedia
Major League Baseball on NBC, Logopedia
World Series Identity and Theme Art, 1998, 1999 :: Behance
World Series/Other, Logopedia