I'm afraid those two pits would be picking their teeth with the Dane's bones when you checked on them the next morning.
Here's the cell-mate you want for the pits. He's bigger, faster and stronger in every way. He would just about swallow them whole.
An Akita will do a number on a pit bull. They are powerful dogs and fearless. Plus they have enough fur and thick hide that a pit wouldn’t be able to get a good grip on it. Unfortunately they aren’t a good family dog either, they are very territorial. Good farm dog though, as long as you don’t have little kids running around.