Black Hole is a type of weather first encountered in Season 11.
In games played in Black Hole weather, if a team reaches 10 runs, then -1 wins will be added to their opponent's season win record. The team who reached 10 runs will have 10 runs subtracted from their score and play continues normally.
The Black Hole first appeared before the ILB during the Season 10 Internet Series, between the Baltimore Crabs and Charleston Shoe Thieves. During Game 3, the Crabs hit 10 runs and the Game Log then reported:
THE CRABS ACCUMULATE 10
THE SUN COLLAPSES
THE MOON IS SWALLOWED
THE BLACK HOLE FORMS
SUN 2 RISES
The Crabs collect 10! The Black Hole swallows the Runs and a Shoe Thieves Win.