Mon Nov 2, 6:29 AM ET
Barrichello, who will be leaving constructors' champion Brawn GP to join Williams, has made a record 284 starts in Formula One. Hulkenberg won the GP2 Series championship this year.
"Rubens needs no introduction. He is not only the most experienced driver in Formula One, but a passionate and talented driver who fought hard for the drivers' championship this year," Williams team principal Frank Williams said. "Nico Hulkenberg won the GP2 Championship this season as a rookie and has previously won the F3 Euroseries, Formula Masters, A1 GP and Formula BMW Germany."
Barrichello and Hulkenberg are replacing Nico Rosberg and Kazuki Nakajima.
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