He started out as a forward, but in Mönchengladbach his role was primarily to cover defensively for the star of the team in this era, midfield playmaker Günter Netzer.
Dia memulai karier sebagai pemain depan, tetapi di Mönchengladbach perannya terutama untuk membantu sisi pertahanan untuk bintang tim di era ini, Günter Netzer.