I don't think either is under contract by the UFC right now. If I recall correctly, Vitor just lost a lackluster fight to Allistair Overeem in the last Strikeforce card. I have no idea what Vernon White is doing right now.
It doesn't matter if you agree or disagree
... As long as I don't bore you and I spark a moment of thought, my goal is achieved
Queng leon queng tigre ecu tacacut, queca pa? - Pampangan Mandarigma Motto