July 15th marks the anniversary of the Philadelphia Phillies losing their record 10,000th game, which at the time was the most in MLB history. A quick check of the books shows that despite their recent streak of consecutive division titles and playoff appearances they still hold that top spot for losingest pro baseball team of all-time. Of course, losingest can be taken in a variety of ways – could mean most losses or it could mean worst win/loss percentage. So, we’ve taken both into consideration when running down the losingest teams of all-time, past and present. Check out the full rundown below.
SOURCE: Baseball Reference