His natural athletic ability saw him garner interest from English Rugby League One side, Featherstone Rovers. However his big break in England, came through a successful loan spell at Doncaster. Playing a part in their promotion to League One at the conclusion of the 2018–2019 season. Doncaster then signed Boas on a two-year permanent deal.[7] Watson got a three-year extension on his contract and will be with the Dons until the end of the 2025 season.[8]