Christoph Metzelder.

As a former main center-back of the Tank Country national team and a distinguished captain of Dortmund, even at 30, his skills may have declined, but he remains one of the strongest center-backs in the Bundesliga.

The cross from Aymen curved right towards him. As Metzelder leapt, he noticed Frankfurt forwards Rode and Zavilas jumping alongside him, one in front and one behind.

In the scramble for the header, Zavilas discreetly tugged hard on Metzelder's jersey with his right hand, causing Metzelder to lose his balance just as the ball flew past them.