If he is to make it as a false 9, then Xavi must play attacking threats on both wings. Maybe Ansu at LW and Traore at RW might work.
Gavi at LW will not work with False 9 Torres, would gladly have LDJ at as a 9 if Gavi plays at LW.
Although I agree Gavi shouldn't be playing as a winger AT ALL,
I think problem is not the wingers for Ferran
He is not the player to play CF when we face low blocks or teams that need to get beaten in their penalty box.
We saw it again tonight with 2 awful attempts when Adama and Alba found him in great positions to finish in the box.
His biggest strength is the movement off the ball. For that to come into any effect and show up in a game, you need a defensive live of the opposition to be at least mildly high, and not stacked back in the box.
He is useless there, better have Ansu in the box despite his height he has the nose for the goal