he agreed to an out of court settlement? That's easy.
His professional liability insurance company likely gave him a choice. Life is full of choices.
Option 1. Accept the settlement we, the insurance company which will write the check, have agreed to.
Option2. Don't accept the settlement offer. We the Insurance Company will walk from the case and you Mr. Sparks can write the checks to your attorney and the judgement checks if you lose the case.
There likely is no option 3.
More information about formatting options