This was a question posed to our no.1 by Jack D in our latest Fans' Q&A session, as he wondered if the Spaniard had always been a keeper and which outfield position would suit him best.
We know goalies often loved to play elsewhere in their youth and David is no exception. He has told us before that he used to be a striker in the past.
In 2017, he told United Review, our official matchday programme: "I played up front at school in Madrid, then at a soccer school there too. I used to combine the two roles and play as a striker and then in goal.