Dortmund - Borussia Dortmund have agreed a deal to sign Japanese youngster Mitsuru Maruoka on loan.

The midfielder, who celebrates his 18th birthday on 6 January 2014, will sign a contract with the UEFA Champions League runners-up on the same day. The contract will run until 30 June 2015, with Maruoka joining on loan from Cerezo Osaka. He will play for the Dortmund reserves, who currently compete in the 3. Liga at first, but the contract contains an option to make the move permanent in the future.