Petch quickly risen through the ranks of rugby since joining Bude RFC at the age of 14.
Recognizing his potential, he was signed by the Exeter Chiefs Academy, where he has been honing his skills and development as a player.
[1] On 11 April 2018, Petch signed his first professional contract with Exeter from the 2018–19 season where he continues to train and play alongside some of England's best talents.
[5] On 4 October 2023, Petch moved to France to join Biarritz as a medical joker in the Rugby Pro D2 for the 2023–24 season.
[6] On 12 June 2024, Petch returns to the Premiership in England as he signs for Gloucester from the 2024–25 season.