Qualifying for Wales via the heritage rule, Anthony played in the 2013 World Cup and was a part of Wales' 2015 European Championship winning side. Starting with Blackbrook Royals, Anthony was a former swimming champion who signed for St Helens. He had great strength and proved that in both of their U20s and U18s set ups. He made his debut for St Helens in 2013, where he made 17 appearances, before moving to Wakefield Trinity in 2015. He also had spells with Whitehaven, Dewsbury and Rochdale. However in 2017, not long before he was due to go to Australia for the 2017 World Cup, he was forced to announce his retirement - he suffered a concussion in Rochdale's win against Swinton in September and it was only after a routine scan that medical staff discovered a serious issue, that he had a brain abnormality that had been with him undetected since birth. He was then appointed as the head coach of Wales U19s, but it 2021, he resumed his playing career with Bradford Bulls after further scans showed that the abnormality had now completely gone.

Also played in the Danny Jones Memorial Match - Keighley Cougars v Wales on 25/10/2015. Click here for details on this game.