They're on the Hendo's bottles so they're in by the look of it.
The rumour at Truck is Franz as a Sunday sub to Kasabian, who are listed there as a Sunday night option. So could be Kasabian/Franz for Tramlines too on Friday or Saturday.
Quite a lot going on there in Las Vegas - Max champion as expected, Mercedes probably having their best race in years with a 1/2, Ferrari squabbling, several teams screwing up pit stops. Dunno if it was worth getting up at 6am for but it wasn't boring.