He trained with
rugby league side
Wigan Warriors without signing a professional contract. He signed a professional contract with
Bath Rugby ahead of the 2024/25 season. Reportedly, Offiah also had offers from
Wigan Warriors,
Gloucester Rugby,
Sale Sharks and
Leicester Tigers. Upon his signing, Bath head of rugby
Johann van Graan said "What impresses me about Tyler is his speed, spatial awareness, finishing ability and a natural understanding of playing the game". He scored his first try for Bath in a 78-19
Premiership Rugby Cup victory over
Bristol Bears in November 2024. He made his first competitive start in the quarterfinal victory of that competition against
Newcastle Falcons on 28 February 2025. He scored a try within ten minutes of his league debut for Bath against Saracens in May 2025.{{cite web|url=https://www.planetrugby.com/news/england-starlet-proud-after-seizing-the-opportunity-on-premiership-debut-and-backs-bath-team-mate-to-become-great-coach|website=Planet Rugby|accessdate=1 June 2025|title=England starlet proud after 'seizing the opportunity' on Premiership debut and backs Bath team-mate to become 'great coach' ==International career==