[1] On 2 May 2017, Thomas left Gloucester to join local rivals Bristol in the RFU Championship ahead of the 2017–18 season.

[2] Bristol Head coach (at the time) Mark Tainton said that Thomas' form and physicality 'impressed', whilst at previous club, Gloucester.

[3] On 1 March 2019 Thomas scored his first English Premiership try for Bristol, in a dramatic and close victory, against former team Gloucester.

[4] Thomas rejoined the Scarlets on a short-term loan on 20 October 2022, as injury cover.

[5] On 12 June 2024, Thomas would return home to Wales to join region Cardiff back in the United Rugby Championship for the 2024-25 season.