Dortmund - When Borussia Dortmund welcome 1. FC Köln to the Signal Iduna Park this Saturday (kick-off 18:30 CET / 17:30 GMT), it is going to be nothing less than an "intense" relegation dogfight, according to the home team's coach Jürgen Klopp.

He for one has not forgotten where his team came from at the turn of the year, and he is not going to get ahead of himself either as survival remains the priority for both clubs who are separated by just a single point. takes a closer look at the battle of two North-Rhine Westphalia rivals…

With just one point between them, it is no surprise that Klopp has branded this game a "six-pointer". Victory for Dortmund would put a four-point cushion between them and one of the sides below them in the standings while Köln could give their own survival hopes a big boost by completing a league double over their local rivals.

(r.) will miss out for Dortmund. "He's not fit enough yet," reported Klopp of the Turkish international, who picked up a groin strain in the UEFA Champions League last-16 first-leg clash at Juventus and is also doubtful for the return leg next Wednesday. His logical replacement also faces a late fitness test.

(l.) is suspended, but Köln coach Peter Stöger has further options this weekend with and back in training and offering viable alternatives to the side which defeated Eintracht Frankfurt 4-2 last weekend.

will be in the thick of the action with Köln likely to press. What the German playmaker does with the ball is going to be key to BVB's chances of success. Gündogan made his comeback from a lengthy injury absence in the reverse fixture and has inspired Dortmund to four wins and a draw in their last five.

has discovered his shooting boots lately, finding the back of the net in three consecutive games to take his tally to nine for the season. Graced with upper body strength combined with an eye for goal and a powerful finish, he is a handful for any defence.

Jürgen Klopp: "It's been such a huge effort to lift ourselves into the position we are in now and games against direct rivals are six-point games. And in six-point games, there is no favourite. These games are highly intense and we've got to be ready for that."

Peter Stöger: "The anticipation for this game is huge and I hope that our joy after the 90 minutes is still huge. We know how strong our opponents are, though. Above all their pace and how they turn defence into attack are dangerous, but we're ready to accept the challenge. We'll do all we can to survive in Dortmund."

Dortmund's four-game winning streak may have come to an end last weekend, but they have not lost in over a month and are currently one of the Bundesliga's form teams. Köln ended a six-game winless streak by beating Frankfurt, while their away form would place them fourth with five wins on their travels.

Köln got the better of Dortmund on home soil this season, although their previous two meetings with Klopp's men ended in heavy defeats – 6-1 at home in 2012 and 5-0 at the Signal Iduna Park. Indeed, before their win earlier this season, the Billy Goats had lost their last eight to BVB.

Possible line-ups:

Dortmund: Weidenfeller - Kirch, Subotic, Hummels, Schmelzer - Bender, Gündogan - Mkhitaryan, Kampl, Reus - Aubameyang

Köln: Horn - Olkowski, Maroh, Mavraj, Hector - Risse, Vogt, Lehmann, Peszko - Deyverson, Ujah

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