Make Leverkusen better. Especially Castro and Kiessling
Also make the transfers for Leverkusen:
IN:
Konstantinos Stafylidis from PAOK FC
Robbie Kruse from Fortuna Düsseldorf
Andrés Palop from Sevilla
Heung-Min Son from Hamburger SV
OUT:
André Schürrle to Chelsea
Daniel Carvajal to Real...