Delap came on as a second-half substitute and witnessed Chelsea secure a 2-0 victory, thanks to goals from Enzo Fernandez and Pedro Neto.
In a post-match interview, Delap shared his feelings about his debut: "It's a really happy feeling for me. I'm thrilled to be here and to play my first game, and being able to contribute is a wonderful feeling."
Delap also praised the team's welcome, stating that he has only had a few sessions with the team but is eager for more.
He added that it's essential to have competition in football, and that he is looking forward to thriving in the challenging environment at Chelsea.