[2] He had previously been named in the Waratahs squads for the 2019 and 2020 Super Rugby seasons, but didn't make any appearances.
[3][4] He made his debut for the Waratahs in Round 1 of the 2021 Super Rugby AU season against the Reds, coming on as a replacement.
[5] In 2023, the lock moved to the Western Force from NSW, named captain the following year.
In June 2024, Williams was called into the Wallabies squad under new coach Joe Schmidt
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