The problem is, of course, that the jersey currently belongs to Memphis Depay.
It is expected that Lewandowski will automatically get the no.9 if the Dutchman is sold. If Memphis continues, Barca will ask him to give it away, and it will be his decision to do so or not.
Lewandowski wore the no.9 for most of his professional career. The only exceptions were his two years at Lech Poznan where he wore the no.8 and