Team principal Franz Tost defended the decision to replace Buemi and Alguersuari, saying his new duo had long been primed for their debut seasons with the team.

CNN: Ricciardo and Vergne to drive for Toro Rosso in 2012

The team's co-owner Gerhard Berger played down reports that Speed had been sacked after an angry row with Toro Rosso chief Franz Tost after the race in Germany.

BBC: Toro Rosso keep Vettel for 2008