Borussia Dortmund director Michael Zorc said the Bundesliga champions are keen to hold on to centre-back Neven Subotic.
The Serbia international's current deal is due to expire in the summer of 2014, but Dortmund have offered the centre-back a two-year extension until 2016 as they aim to keep Subotic at the Signal Iduna Park.GOAL.COM - Global football news, transfer rumours and betting editorial
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