"We are delighted to continue our partnership with Dom Reilly." - Claire Williams
Williams reenforced team with aerodynamic specialists from Lotus and Red Bull.
Pastor Maldonado: "It's been a great three years with this team, I had a nice moment with Frank and the team this morning and they will stay in my heart forever."
Xevi Pujolar: "In qualifying we had both cars on track at the right time, on the right tyres, but as the rain fell harder we struggled for grip."
Valtteri Bottas: "We will sit down and analyse the data to work out the best set-up for tomorrow."
Mercedes drivers have a slightly different view on Massa's move to Williams team.
Massa insists he will remain a "professional" racing driver in his own right at Williams.
The last Grand Prix for Pastor as a Williams driver after three seasons with the team.
"That's good news, isn't it?" Hulkenberg smiled after hearing about his options on Sunday, after finishing the US Grand Prix in a strong sixth place.
Valtteri Bottas (Williams F1 Team) scores first career points in 8th – putting four Renault-powered cars into top ten.
Pastor Maldonado had contact with Sutil's Force India on the first lap which forced him to pit early for a new front wing which compromised his strategy.
Pastor Maldonado's qualifying was hindered by traffic in Q1 which meant that he just missed out on Q2.