`` This year we have made some big mistakes -- that is very obvious , and difficult to rectify , '' the Briton said . McLaren team principal Martin Whitmarsh admits ' big mistakes ' in 2013 season . McLaren without a podium finish in year of 50th place . Whitmarsh says teammate Hamilton and Sergio Perez ` ` deserve '' to be at McLaren next season .
McLaren team principal Martin Whitmarsh admits ' big mistakes ' in 2013 season . McLaren without a podium finish in year of 50th place . Whitmarsh says teammate Hamilton and Sergio Perez ` ` deserve '' to be at McLaren next season .