The Evil League was a competitive Sub-League in Internet League Blaseball from Season B to the end of Season 5. During The Discipline Era, it consisted of ten teams split into two divisions: Lawful and Chaotic. In the Discipline Era, the Sub-League sent four teams to the Postseason of each Season it was active, and the winner of the Evil League faced the winner of the Good League at the end of each Postseason in the Internet Series.
The Evil League formed at some point between the end of Season A and the Season B Postseason, replacing the Bad League. It lasted through the end of Season 5, when the High Filter decree disbanded the Good and Evil Leagues and formed the Wild and Mild Leagues in their place.
|Season||Regular Season Winner||Postseason Winner||Championship Results|
|B||Unknown||Antarctic Fireballs||Defeated by an unknown team 3-4|
|Season||Lawful Evil Winner||Chaotic Evil Winner||Postseason Winner||Internet Series Results|
|1||Hades Tigers||Breckenridge Jazz Hands||Philly Pies||Defeated Chicago Firefighters 3-0|
|2||Hades Tigers||Canada Moist Talkers||Philly Pies||Defeated Charleston Shoe Thieves 3-1|
|3||Hades Tigers||Canada Moist Talkers||Hades Tigers||Defeated New York Millennials 3-2|
|4||Hades Tigers||Breckenridge Jazz Hands||Hades Tigers||Defeated New York Millennials 3-0|
|5||Baltimore Crabs||Breckenridge Jazz Hands||Breckenridge Jazz Hands||Defeated by Chicago Firefighters 2-3|