David Coulthard believes the arrival of Daniel Ricciardo will have an affect on Sergio Perez over the course of the coming season.
The Aussie has returned to his former team after having his McLaren stint cut short. Having lost his place on the Formula 1 grid, Ricciardo hopes a spell as a reserve with a top team will put him in a strong position to return when a chance arises.
It has been suggested that such an opportunity might come about at his current employer. Perez signed a contract extension last year, but the feeling is he has more to do to prove he is the ideal team-mate for Max Verstappen.
