Transfer talk surrounding Konstantinos Mavropanos is intensifying, with multiple sources reporting that Dortmund are monitoring the West Ham defender closely. The player has caught the attention of several scouts as clubs across the Bundesliga prepare for a busy transfer window. Wolfsburg are reportedly waiting in the wings. Finalising a fee and payment terms remains central to closing the transfer. With only 29 goals conceded in 29 (1.0 per game), Dortmund have been one of the stronger defences in the Bundesliga this season.. Konstantinos Mavropanos would be asked to keep that standard and provide dependable cover when needed. West Ham continue to be linked with Niclas Fullkrug and Oscar Mingueza while Dortmund are also rumoured to be tracking Abdelhamid Ait Boudlal, Ibrahima Ba and Diego Moreira. Stay tuned for more details as the story develops. Need more Dortmund transfer rumours? Follow @PlayerSwitchCom on Twitter for news and updates as they happen.