Age: 23 Value: £14 million Nationality: German Position: Striker Jurgen Klopp has been a keen admirer of Kevin Volland and placed a number of offers for the striker during his time at Dortmund. The manager could have seen him as a great replacement for Robert Lewandowski who was sold to Bayern Munich in 2014. The German U21 international is a powerful striker who has scored five goals in eight games for Hoffenheim this season and good easily break into the German national side in time for the 2016 European Championships.