All the UEFA Europa League round of 32 clubs were permitted to register a maximum of three new eligible A list players by midnight CET on Wednesday. With that deadline now passed, here are the changes (click on the clubs to view their full squad list).
Ajax
In: Norbert Alblas, Justin Kluivert*, Peter Leeuwenburgh, David Neres
Out: Richedly Bazoer, Jeffrey De Lange, Mitchell Dijks, Anwar El Ghazi, Nemanja Gudelj, Tim Krul, Thulani Serero