The German midfielder signs for The Reds' on a £10M deal
Bayer Leverkusen live updates
Germany international Christoph Kramer says it was an "enormous honour" to be linked with a move to Real Madrid, although he is keeping his options open for next season.
The 23-year-old midfielder is in the second of a two-year loan spell at Borussia Monchengladbach, who want to make the deal a permanent one when he is set to return to Bayer Leverkusen in the summer.
Karim Bellarabi scored the quickest goal in Bundesliga history and then set up another for Stefan Kiessling as Bayer Leverkusen stunned hosts Borussia Dortmund with a 2-0 win on Saturday evening.
Bellarabi struck after only nine seconds, beating the previous quickest goals scored by Giovane Elber and Ulf Kirsten by two seconds to leave the Westfalenstadion shellshocked.
Athletic Bilbao will have the upper hand back at San Mames after holding Napoli to a 1-1 Champions League play-off draw on Tuesday night.
The Primera Division and Serie A giants were pitted against each other in a battle to reach the group stages and Athletic took the initiative with Iker Muniain scoring four minutes before the break in Naples.
Napoli hit back after the interval as former Real Madrid striker Gonzalo Higuain fired a leveller on 68 minutes but the Basque outfit will fancy their chances of winning the second leg and progressing to the next stage.
There were five goals in the first half of action in the Danish capital as Bayer Leverkusen claimed a 3-2 win at FC Copenhagen.
Stefan Kiessling (five) and Zanka (nine) exchanged goals before Daniel Amartey nudged FCK ahead in the 13th minute.
Bayer equalised through Karim Bellarabi on 31 minutes and, three minutes before the break, Son Heung-min grabbed what proved to be the winner for the Bundesliga giants.
Bayern Munich have appointed Michael Reschke as their new technical director, the Bundesliga champions have announced.
The 56-year-old has joined from rivals Bayer Leverkusen, where he had been working in recent years as general manager. Reschke will report to director of sport Matthias Sammer.
Reschke had spent a total of 35 years with Leverkusen in various roles and will now provide support to Sammer, who has welcomed his appointment.
– Bayern Munich director of sport Matthias Sammer
I'm delighted that Michael Reschke will be strengthening us. I have known him and respected him for a very, very long time.
It was my expressed desire to create this new position at Bayern Munich and for Michael Reschke to fill it.
I know that we are gaining an expert colleague and I'm looking forward to working with him.
Bayer Leverkusen have confirmed the signing of 21-year-old striker Josip Drmic from Nunburg on a five-year deal.