The 23-year-old attacker is believed to have courted interest from Europe's finest after netting 19 goals for Les Verts in Ligue 1 last season, with only Zlatan Ibrahimovic boasting a superior goalscoring record in France.
Reports emanating from Germany on Monday suggested a number of the club's hierarchy had flown to France in a bid to secure a deal for the Gabon international, and Zorc has confirmed the move is close to materializing.
"We are very far in negotiations for Aubameyang. He is a very fast, prolific player. He is also versatile so he can adapt to our game," Zorc told Kicker.
The former Milan youth product will reportedly sign a five-year deal at Signal Iduna Park, with the fee believed to be in the region of 13 million euros.
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