Based on winning percentage, the 1899 Cleveland Spiders had the worst regular season in history at 20-134.
The 1899 Cleveland Spiders have the record for most losses in an MLB season with 134 losses.
The worst teams by winning percentage to make the MLB postseason are the
the 2020 Houston Astros who went 29-31, and the
the 2020 Milwaukee Brewers who went 29-31.
Based on number of losses, the worst team to make the MLB postseason is the 2005 San Diego Padres, who made the postseason with a 82-80 record.
The San Diego Padres lost to the St. Louis Cardinals in the NL Divisional Series.
©© 2023 ChampsOrChumps.us • Terms • Privacy Policy • Last Updated: Dec 5, 2023