NORTHAMPTON, ENGLAND - JUNE 30: Lewis Hamilton of Great Britain and Mercedes GP leads the field at the start of the British Formula One Grand Prix at Silverstone Circuit on June 30, 2013 in Northampton, England. (Photo by Lars Baron/Getty Images)
NORTHAMPTON, ENGLAND - JUNE 30: Lewis Hamilton of Great Britain and Mercedes GP leads the field at the start of the British Formula One Grand Prix at Silverstone Circuit on June 30, 2013 in Northampton, England. (Photo by Lars Baron/Getty Images)
Mercedes' British driver Lewis Hamilton leads after the start of the at the Silverstone circuit in Silverstone on June 30, 2013 during the British Formula One Grand Prix. AFP PHOTO / BEN STANSALLBEN STANSALL/AFP/Getty Images
TOPSHOTS
Red Bull Racing's Australian driver Mark Webber (C) drives past after colliding at the start of the at the Silverstone circuit in Silverstone on June 30, 2013 during the British Formula One Grand Prix. AFP PHOTO / TOM GANDOLFINITom Gandolfini/AFP/Getty Images
Red Bull Racing's Australian driver Mark Webber (R) drives after a light collision at the Silverstone circuit in Silverstone on June 30, 2013 during the British Formula One Grand Prix. AFP PHOTO / BEN STANSALLBEN STANSALL/AFP/Getty Images
The pack led by Mercedes driver Lewis Hamilton of Britain, bottom, races during the British Formula 1 Grand Prix at Silverstone circuit, Silverstone, England, Sunday, June 30, 2013. (AP Photo/Lefteris Pitarakis)
Lotus driver Kimi Raikkonen of Finland leads ahead of Lotus driver Romain Grosjean of France during the British Formula 1 Grand Prix at Silverstone circuit, Silverstone, England, Sunday, June 30, 2013. (AP Photo/Frank Augstein)
Sauber driver Nico Huelkenberg of Germany rounds Club Corner during the British Formula 1 Grand Prix at Silverstone circuit, Silverstone, England, Sunday, June 30, 2013. (AP Photo/Jon Super)
The track is cleared of debris during the British Formula 1 Grand Prix at Silverstone circuit, Silverstone, England, Sunday, June 30, 2013. (AP Photo/Jon Super)
Mercedes' German driver Nico Rosberg wins at the Silverstone circuit in Silverstone on June 30, 2013 during the British Formula One Grand Prix. AFP PHOTO / BEN STANSALLBEN STANSALL/AFP/Getty Images
Force India's Scottish driver Paul di Resta drives at the Silverstone circuit in Silverstone on June 30, 2013 during the British Formula One Grand Prix. AFP PHOTO / ANDREW YATESANDREW YATES/AFP/Getty Images
Ferrari's Spanish driver Fernando Alonso drives at the Silverstone circuit in Silverstone on June 30, 2013 during the British Formula One Grand Prix. AFP PHOTO / ANDREW YATESANDREW YATES/AFP/Getty Images
Lotus F1 Team's Finnish driver Kimi Raikkonen drives at the Silverstone circuit in Silverstone on June 30, 2013 during the British Formula One Grand Prix. AFP PHOTO / ANDREW YATESANDREW YATES/AFP/Getty Images
Red Bull Racing's German driver Sebastian Vettel drives at the Silverstone circuit in Silverstone on June 30, 2013 during the British Formula One Grand Prix. AFP PHOTO / ANDREW YATESANDREW YATES/AFP/Getty Images
NORTHAMPTON, ENGLAND - JUNE 30: Felipe Massa of Brazil and Ferrari has a left rear puncture on his tyre during the British Formula One Grand Prix at Silverstone Circuit on June 30, 2013 in Northampton, England. (Photo by Lars Baron/Getty Images)
Ferrari's Brazilian driver Felipe Massa shredded tyre is seen in the pits at the Silverstone circuit in Silverstone on June 30, 2013 during the British Formula One Grand Prix. AFP PHOTO / POOL / Nigel RoddisNIGEL RODDIS/AFP/Getty Images
Red Bull driver Sebastian Vettel of Germany gets out of his car after failing to finish during the British Formula 1 Grand Prix at Silverstone circuit, Silverstone, England, Sunday, June 30, 2013. (AP Photo/Jon Super)
Red Bull Formula One driver Sebastian Vettel of Germany walks back to his pit at the Silverstone circuit in Silverstone on June 30, 2013 during the British Formula One Grand Prix. AFP PHOTO / POOL / Nigel RoddisNIGEL RODDIS/AFP/Getty Images
Ferrari's Brazilian driver Felipe Massa drives at the Silverstone circuit in Silverstone on June 30, 2013 during the British Formula One Grand Prix. AFP PHOTO / ALEXANDER KLEINALEXANDER KLEIN/AFP/Getty Images
Ferrari's Spanish driver Fernando Alonso drives at the Silverstone circuit in Silverstone on June 30, 2013 during the British Formula One Grand Prix. AFP PHOTO / ALEXANDER KLEINALEXANDER KLEIN/AFP/Getty Images
Force India's Scottish driver Paul di Resta and Mercedes' British driver Lewis Hamilton drive at the Silverstone circuit in Silverstone on June 30, 2013 during the British Formula One Grand Prix. AFP PHOTO / ALEXANDER KLEINALEXANDER KLEIN/AFP/Getty Images
Ferrari's Spanish driver Fernando Alonso (L), Mercedes' German driver Nico Rosberg drive at the Silverstone circuit in Silverstone on June 30, 2013 during the British Formula One Grand Prix. AFP PHOTO / ALEXANDER KLEINALEXANDER KLEIN/AFP/Getty Images
Mercedes' British driver Lewis Hamilton enters the pit with a puncture at the Silverstone circuit in Silverstone on June 30, 2013 during the British Formula One Grand Prix. AFP PHOTO / POOL / Nigel RoddisNIGEL RODDIS/AFP/Getty Images
Drivers race past broken down car of Red Bull Racing's German driver Sebastian Vettel at the Silverstone circuit in Silverstone on June 30, 2013 during the British Formula One Grand Prix. AFP PHOTO / POOL / Nigel RoddisNIGEL RODDIS/AFP/Getty Images
Mercedes driver Nico Rosberg of Germany celebrates after winning the Formula One British Grand Prix at the Silverstone circuit, Silverstone, England, Sunday, June 30, 2013. Red Bull driver Mark Webber of Australia finished second and Ferrari driver Fernando Alonso of Spain finished third. (AP Photo/Lefteris Pitarakis)
Red Bull Racing's Australian driver Mark Webber celebrates on the podium at the Silverstone circuit in Silverstone on June 30, 2013 after the British Formula One Grand Prix. AFP PHOTO / ANDREW YATESANDREW YATES/AFP/Getty Images
Red Bull driver Mark Webber of Australia, right, who finished second, sprays with champagne Mercedes driver Nico Rosberg of Germany, left, who won the the Formula One British Grand Prix at the Silverstone circuit, Silverstone, England, Sunday, June 30, 2013. Ferrari driver Fernando Alonso of Spain, right, finished third. (AP Photo/Lefteris Pitarakis)
Mercedes driver Nico Rosberg of Germany, centre, celebrates after winning the Formula One British Grand Prix at the Silverstone circuit, Silverstone, England, Sunday, June 30, 2013. Red Bull driver Mark Webber of Australia, left, finished second and Ferrari driver Fernando Alonso of Spain, right, finished third. (AP Photo/Lefteris Pitarakis)
