On 26 November 2014, Vergne announced he would be leaving Toro Rosso, and two days later, Toro Rosso confirmed that Sainz would partner Verstappen for the 2015 season.
He would be leaving Toro Rosso. This was what Vergne announced on 26. Sainz would partner Verstappen for the 2015 season. Toro Rosso confirmed this. This was on 26 November 2014. This was two days later.