SportsWhy Dortmund will never be a big teamTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoSports08/10/2017August 10, 2017Dortmund is a selling club. Their inability to hold on to key players has cost them dearly, especially in Europe. The Ruhr side will never win titles in Europe as long as they keep selling their best players.https://p.dw.com/p/2hyz7Advertisement