McLaren admits that Perez is struggling

McLaren team principal Martin Whitmarsh has admitted new team driver Sergio Perez has been struggling since replacing Lewis Hamilton in the team. After a poor weekend for the young Mexican in China, including a rebuke from Kimi Raikkonen following an on-track run-in, British commentator Martin Brundle said he would have signed Nico Hulkenberg for 2013 [...]

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