1. FC Köln: Heintz brings stability and warns

Routinier gives the Billy Goats a solid foundation

Routinier Frederik Heintz has become an indispensable part of 1. FC Köln's defense. The 30-year-old has played every minute of the season so far and has helped the Billy Goats to the third-best defense in the Bundesliga.

Heintz's experience and leadership have been invaluable to Köln. The defender has played over 200 Bundesliga games and has helped Köln to several promotions.

He is also a threat in the air, scoring two goals from set pieces this season.

Heintz warns of complacency

Despite Köln's strong start to the season, Heintz is warning his team against complacency.

"We need to keep our feet on the ground," Heintz said. "We have a good team, but there are still a lot of games to play.".

Köln will be looking to continue their good form when they travel to Borussia Dortmund on Saturday.