Blyth is a Gold Coast talent who represented the Queensland Reds U20s in the 2017 Super 20s. Hailing from The Southport School, the lock currently plays club rugby for Bond University. Blyth is a presence on the rugby field as he goes into his second Junior Wallabies campaign. Angus Blyth was selected into the 2017 Junior Wallabies side for the Oceania U20s Championships. He was chosen as a reserve for game 2 against Fiji, seeing the Australians win 32-14 and is looking to continue this form into the Oceania U20s Championships in 2018.