ABU DHABI, Oct 31 - Daniel Ricciardo and Jean-Eric Vergne will stay at Toro Rosso in 2013. It will be both drivers second year with the sister outfit to champions Red Bull. Team principal Franz Tost said: "Both drivers have done a good job this season."Since the summer break, both drivers have scored more points and everyone in the team has been impressed with their maturity in terms of working with the engineers and their racecraft on track."'MUCH STRONGER NOW'Vergne has scored 12 points from 17 races so far while Ricciardo has nine to his tally. Toro Rosso are ninth in the constructors' standings with three rounds left in 2012.Ricciardo said: "There are big expectations for next year and I'm ready and willing to fulfil them."I feel I have been growing and developing as a driver and my approach to the technical side of the sport has also progressed this year."Vergne, who has been backed by Red Bull from the early years of his career, recognised it had been a tough debut season but felt he had also learned a lot.Vergne said: "I feel much stronger now and I know I have become a better driver over the course of the season." Stay with Wheels24 for the 2012 Abu Dhabi F1 GP weekend.