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Former Chelsea midfielder Michael Ballack has warned Eden Hazard that he might be making a huge mistake if tries to engineer a move to Real Madrid this summer.
Ex-Germany international Ballack, who rejected the advances of Madrid when he signed for Bayern Munich from Bayer Leverkusen in 2002, believes Hazard will be "giving up a lot" if he swaps Stamford Bridge for the Santiago Bernabeu.
Madrid have been strongly linked with the Belgium captain but Ballack suspects he will face a challenge to establish himself if he makes the move to the Spanish capital.