[4] He was also a member of the Australia Under 20 side for both the 2011 where he made 3 appearances (Fiji, Samoa, New Zealand) and 2012 IRB Junior World Championships where he was capped a further 4 times ( Scotland, Argentina, France twice).

[1] He made the Waratahs extended playing squad for the 2014 Super Rugby season as third-choice hooker behind Tatafu Polota-Nau and Tolu Latu.

An injury to Latu in the latter stages of the season saw Roach earn his first Super Rugby cap as a second-half substitute in the Waratahs 41-13 victory over the Lions on 18 May 2014.

[7] The 2015 season brought further success on the field with Roach earning a further 6 Super Rugby caps for the Waratahs .In the domestic club competition, he added another Shute Shield grand final win (his second in three GF appearances) in a performance that saw him voted the Man of the Match by the TV broadcast team.

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.