Hansi Flick is very happy to welcome Gabriel Jesus to Barcelona. But Julián Álvarez remains the ultimate prize If Raphinha has any misgivings about playing as a makeshift No 9 for Barcelona, he is doing a good job of hiding it. Julián Álvarez would have been proud of the Brazilian’s two neat finishes that inspired the Spanish champions to a 5-2 victory against Rayo Vallecano on Monday night, 24 hours before the transfer deadline. Lamine Yamal scored two wonderful goals of his own in a performan…