The midfielder, part of the FA Youth Cup-winning side in 2021, replaced Sofyan Amrabat on the hour mark of the 3-0 victory in the Carabao Cup third round.
It was a special moment on the 19-year-old's birthday, who was named our Denzil Haroun Reserve-Team Player of the Year last term.
After showcasing his ability in pre-season, including a fine display in Edinburgh against Lyon, when he supplied the assist for Donny van de Beek's winner, this was a first competitive outing for Gore.
The teenager has been an unused substitute but took his opportunity to impress, making some telling contributions in the middle of the park and enjoying being out there with FA Youth Cup team-mate Alejandro Garnacho, who had opened the scoring.