He wrote on Twitter in Portuguese: "It is rumoured that the second seat at Toro Rosso is for sale.
"It's been like that for years! Any other news?" the mischievous Razia added.
It was believed Toro Rosso, Red Bull's junior team, was set to simply promote its leading development driver - Antonio Felix da Costa - to replace Daniel Ricciardo in 2014.
But Italy's Italiaracing reports that a group of Russian sponsors have got together to push Daniil Kvyat, a 19-year-old and less experienced Red Bull youngster, to the front of the queue.