He joined the Worcester Warriors academy in the summer of 2019 having spent the second half of the 2018–19 season on trial at Sixways Stadium.
[1] He played regularly for the Cavaliers in the Premiership Rugby Shield and for Stourbridge in National League 2 North.
[3] He made his senior debut off the bench in the Premiership Rugby Cup 57–23 victory over Leicester Tigers at Sixways the following week.
[5] Simpson was included in a Gallagher Premiership squad for the first time when he was an unused replacement against Exeter Chiefs in November 2019[6] and made his debut in the competition at Wasps in August 2020.
On 2 April 2023, Simpson would move to Australia to sign for Western Force for the 2023 Super Rugby Pacific season.