Brazilian Luiz Razia will race for Marussia this season alongside Britain's Max Chilton, the Formula One team announced on Wednesday.
The 23-year-old, runner-up in the GP2 championship last year, was the team's reserve in 2010.
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"The past two seasons in GP2 have been all about proving that I have what it takes and that I'm ready," he said in a statement.
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"This coming season will be all about rewarding the faith the team have shown in me."
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