 Complete the following phrase:  On 26 September 2017, it was announced that Pierre Gasly would replace Kvyat for an unspecified number of races, beginning with the . At the , Sainz moved to Renault for the remaining rounds of the season, ahead of his previously announced move for , with Kvyat returning to the team. Gasly was absent in order to participate in the final round of the Japanese Super Formula Championship, so Brendon Hartley replaced him for this race. After the race, it was announced that Gasly would return to partner Hartley for the . After the 