McLaren team principal Martin Whitmarsh has attributed the blame for the team's poor showing at the European Grand Prix to their poor handling of their Pirelli tyres over the weekend.
Jenson Button's woes continued with an eighth place finish in Valencia, while a late crash for teammate Lewis Hamilton put paid to his chances of scoring some points and maintaining his lead at the top of the world championship standings.
Fernando Alonso eventually took the chequered flag, with reigning world champion Sebastien Vettel coming in just behind the Spaniard.
Speaking after the race, Whitmarsh refused to blame the speed of the McClaren car for the disappointing results, instead pointing to the driver's use of the compounds.
"It was a bad day in the office and I think we really struggled with the tyres," he said. "The inherent pace was where you were on your tyres.
"Lewis [Hamilton] struggled on the first set and was better on the prime in truth, but ultimately it went away – and that could have happened to Sebastian [Vettel] as well, I don't know."
Despite the setback, the McLaren boss was keen to add that there was plenty of the season left – and plenty of time to master the Pirelli compounds.
"We have to develop the car, master the tyres, understand them, and keep them in good condition … there is a long old championship ahead and there is no reason why we cannot turn that fortune at Silverstone," he added.
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