Nico Elvedi's maiden Bundesliga goal was the difference for Gladbach as they opened their campaign with a derby win over Cologne. - © © imago / T-F-Foto Nico Elvedi's maiden Bundesliga goal was the difference for Gladbach as they opened their campaign with a derby win over Cologne. - © © imago / T-F-FotoBorussia Mönchengladbach 1-0 Cologne - As it happened!20.08.2017Fierce Rhineland rivals Borussia Mönchengladbach and Cologne go head-to-head at the Borussia-Park to bring Matchday 1 to a thrilling close.Follow all the match action and reaction right here!Want more Bundesliga Action?GET THE UPDATES!