The Evil League was one of Internet League Blaseball's competitive leagues from Season 1 to Season 5. It consisted of ten teams split into two divisions: Lawful and Chaotic. The league sent four teams to the postseason of every season it was active and the winner of the Evil League faced the winner of the Good League at the end of each post season in the Internet Series.
The Evil League formed at the start of Internet League Baseball along with the Good League. It lasted through the end of Season 5, when the High Filter decree disbanded the Good and Evil Leagues and formed the Mild and Wild Leagues.
|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|