It’s going to be incredibly difficult to find 1. There’s a reason for it and the odds of your proposed solution happening is about as close to zero as possible.

There’s lots of things that need to happen to solve the current situation, but bringing in someone who is currently outside the organization is not something that will help. What value does an an interim coach from outside the current org going rondo that someone inside cannot? Having an interim coach means the towel has been thrown in on the season. Having someone try to start from scratch at the halfway mark will accomplish nothing.