Young players like Sancho and Havertz could move on this summer, leaving Dortmund and Leverkusen in need of reinforcements; Arsenal may need to spend the Partey money on an Aubameyang replacement, leaving them short in midfield; Man City have to find backup for Laporte with Liverpool running away with the league; and Bayern are looking for an heir to Lewandowski, having missed out on Timo Werner. Who can they turn to on the cheap? Find out in our 10.