Stefan Posch is reportedly at the centre of ongoing transfer discussions between Mainz and Como 1907 - according to a number of reliable sources. The defender has attracted serious transfer interest in recent weeks, and talks are now in progress to see if there's a deal to be done. Sources close to the deal suggest negotiations are active, with both sides working to find common ground over the player's potential move. Augsburg, Cologne and Como 1907 remain in the background, but for now, Mainz are leading the way in ongoing talks. Defensively, Mainz are sitting around the league average this season, at 1.71 goals conceded per game. Someone like Stefan Posch could keep them steady but also raise the level when it matters most. Como 1907 have also been linked with Bernardo Silva while Mainz are reportedly monitoring Borna Sosa and Silas Wamangituka. Stay tuned for more details as the story develops. Need more Mainz transfer rumours? Follow @PlayerSwitchCom on Twitter for news and updates as they happen.