World Series Champions by Regular Season Record (extreme)
Can you guess the World Series Champions by their regular season winning percentage?
Try the shorter, post-1950 version of this quiz here.
As of the end of the 2020 season.
Answering with the current franchise name is sufficient for previous corresponding incarnations.
'=' denotes identical winning percentage (W%) over the same length of season. Where W% is identical over different lengths of seasons, teams are ranked by the total number of regular season games. '*' denotes a shortened 60-game season due to the COVID-19 pandemic.