The second seat at Red Bull's junior team Toro Rosso is "for sale", according to racer Luiz Razia.
The Brazilian is still looking for his major break into F1 after being replaced by Jules Bianchi, at the last minute, by Marussia before the start of the season due to sponsorship trouble.
Writing on Twitter in his native Portuguese he wrote: "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 that Toro Rosso would simply replace the departing Daniel Ricciardo with the cream of their young driver program, Portuguese driver Antonio Felix da Costa however it appears that the lure of sponsorship money is putting other young drivers in the frame.
Italiaracing is reporting a group of Russian sponsors have come together to push another product of Red Bull's academy into that seat, 19-year-old Daniel Kvyat, the young racer has been driving in GP3 this season alongside Carlos Sainz Jr.
On the track Toro Rosso has become the latest team to blame the mid-season change in tyre construction for a drop in performance.
Ferrari and Force India also bemoaned the change from kevlar belts to steel belts following the tyre explosions at the British Grand Prix in June.
Toro Rosso technical boss James Key said: "The greater deformation of the tyres was the main reason we completely changed our suspension concept from the STR7 to the STR8.
"But since we've gone back to the 2012 tyres, the setup window has become smaller, and we can no longer use certain settings that were created specifically for this (2013) car," he told Germany's Auto Motor und Sport.
Key explained the tyres also had an affect aerodynamically with the rear diffuser not "working as well as before".
Indeed since the switch one team that benefited, Swiss outfit Sauber, has moved ahead of Toro Rosso thanks to Nico Hulkenberg's recent strong peformances.
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