4. Mats Hummels
Club: Dortmund In the last couple of seasons, 24-year-old Mats Hummels has established himself as one of the, if not the best defenders in the Bundesliga. Having struggled with injury throughout the early part of his career, Hummels has overcome his problems and his recent form has propelled him to the forefront of the German National Team where he is now first choice centre-back. Valued at £25 million by
the Mirror, Hummels has been linked with Manchester United, who will be looking to strengthen their defense this Summer. He has also been linked with Arsenal and Man City, and the clubs could battle it out to bring the defender to the Premier League.