Alves changed from 20 to 2 first (or vice-versa) before he got 22. And Sergi Roberto changed recently to 20 I think?I've rarely seen first team players change to a diff number once they've been allotted one. I can only remember Alves doing so in honor of his former teammate and the number being available. If Douglas gets 16, he'll mostly keep it till he's with us. The 16 therefore should be reserved for Samper, and 19 having the messi mark reserved for Alen. Douglas can wear the 17.