12) Robin van Persie (15 goals)
Before his exploits for Manchester United and Arsenal, RVP was far from a consistent goalscorer for Feyenoord.
11) Diego Costa (21 goals)
The 25-year-old endured a slow start to his Atletico Madrid career, undertaking several loan spells at the likes of Rayo Vallecano before becoming one of Europe’s stand-out players.