It's not the moment to need to turn to Roberto though.
It's fine though, perhaps Xavi has seen everyone in training and doesn't see any first team potential in any of the guys on the US tour.
Sometimes it is great though to drop a young player in surrounded by the first teamers so you can see if he moves up to the level, something you can seldomy do during the actual season.
But he is certainly not inclined to give youth opportunities that's for sure. Which long term helps with youth players wanting to stay and/or join.