Last season, we saw a lot of change. Lewis Hamilton's move to Mercedes grabbed most of the headlines, while Nico Hulkenberg hopped to Sauber from Force India, Sergio Perez from Sauber to McLaren and Charles Pic from Marussia to Caterham.
Heikki Kovalainen, Vitaly Petrov, Bruno Senna, Timo Glock, Kamui Kobayashi, Narain Karthikeyan and Pedro de la Rosa vanished from the grid against their wishes, while Michael Schumacher retired.
Adrian Sutil returned, along with five rookies—Jules Bianchi, Max Chilton, Esteban Gutierrez, Giedo van der Garde and Valtteri Bottas.
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