The sporting director has again spoken out regarding the youngster's reported future move to Stamford Bridge, warning the Blues that any deal must satisfy the Bundesliga outfitBayer Leverkusen sporting director Rudi Voller has warned Chelsea that midfielder Andre Schurrle will only be allowed to leave if the "package" suits the Bundesliga side.
Speculation has been rife that the 22-year-old is set to join the west London club in the summer, with reports in Germany suggesting he has already agreed personal terms on a move to Stamford Bridge.
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"The transfer of Schürrle is a question of the total package. There are some more items and De Bruyne is one of them," Voller said on TV show Sky90.
"[De Bruyne is] a top alternative and can play a similar position like Andre. If a good player leaves we´ve got to sign another good, or even better, player."
Despite Chelsea reportedly being close to seal a deal for Schurrle, Voller feels the youngster would be better served with more regular first-team football as he looks to break into the Germany squad ahead of World Cup 2014.
"Next year is the World Cup and then he wants to be a starter for Germany," Voller added. "He has the potential."