 The 2016 season saw Roach earn a further 13 appearances for the Waratahs.With a total of 21 super appearances under his belt the Tahs prioritized the re-signing of Roach in June 2016 committing him for a further 2 seasons at Moore Park.In 2017 he earned a further 9 caps for the Waratahs taking his career total Super rugby caps to 30 at the conclusion of the 2017 season.