On 28 January 2022, Sunderland announced the signing of Watson to the first team. On 28 March 2022, Watson scored her debut senior goal for Sunderland against
Watford within seven minutes of coming on as a second-half substitute, helping the team to win 2–1. On 25 October 2023, after 39 appearances for Sunderland, Watson signed her first professional contract with the club aged 18. She was subsequently voted Women's Young Player of the Year for 2023 by the North East Football Writers. == International career ==