WRT buyouts, I believe you have it backwards.
If, indeed those coaches are still under cnt w/ their former teams, those teams are on the hook for whatever salary they're owed AFTER any other deals. Presumably, whatever we were to sign them for, would be more than their old team owes them.
Likewise, we (probably) won't be obligated to pay the entire amt of Jauron's (alleged) $3m/yr. Assuming he becomes a DC elsewhere for say $2m/yr, we'd only owe him the remaining $1m/yr.