Andre Schurrle (Sold to Wolfsburg for £22m, 2015)
SUCCESS – The World Cup winner looked good on his debut for Germany’s in form club side, who looks well suited to Dieter Hecking’s side.
Juan Mata (Sold to Manchester United for £37.1m, 2014)
FAILURE – Mata’s arrival at Old Trafford failed to save David Moyes, while the Spaniard has struggled to hold down a first-team place this year.