Red Bull tester Sebastien Buemi, former Super Aguri racer Takuma Sato, and the Italian teams 2008 driver, Sebastien Bourdais, will each make an appearance in the Toro Rossos cockpit over the course of the three-day session.
Buemi, who sampled the STR03 at a test back in September, will drive at the Spanish track on all three days. On Monday and Tuesday morning the Swiss star will work alongside Sato, while on Tuesday afternoon and for the whole of Wednesday he will partner Bourdais.
Sebastian Vettel, who scored 35 points for Toro Rosso in 2008, will move to Red Bull Racing next season, while Bourdais's future remains unclear.
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