BERLIN, Feb. 18 (Xinhua) -- Borussia Dortmund has signed a four-year contract with Emre Can after activating the purchase option, the Bundesliga side confirmed on Tuesday.

Can moved to Juventus as a free agent from Liverpool in 2018 before joining BVB on loan in January with an option to buy for 25 million euros, which would become obligatory under certain circumstances.

The German midfielder has scored one goal in four appearances for Dortmund.