The 24-year old attacking midfielder has been a star at the Westfalenstadion since his arrival from Borussia Monchengladbach in the summer of 2012 which has prompted interest from the likes of Arsenal, Manchester United, Barcelona and Paris Saint-Germain.
Dortmund executive Hans-Joachim Watzke admitted that Reus does have a release clause if any of these clubs come calling, believed to be somewhere in the region of £29.4million.
"Marco Reus possesses a release clause option in his current contract at our club," Watzke told SPORT1media. "He could leave our club due to that.
"He is, however, the only player in our first-team squad that has such a contract clause."
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