PLAYER RATINGS | 1. FC Köln 1-2 Borussia Dortmund — Serhou Guirassy and Maximilian Beier goals help Niko Kovač’s side grab three points in close contest

After suffering a dramatic 3-2 defeat at the hands of rivals Bayern Munich in the Der Klassiker last weekend, Borussia Dortmund returned to winning ways, courtesy of goals from Serhou Guirassy and Max...