We kickstart the knockout phase of the Champions League with a trip to Bayer Leverkusen, who have been enjoying some of the best days of their 132-year history in recent times.
Ahead of our first competitive meeting with the German side for nearly a quarter of a century, get prepared for their visit by swotting up on their past and present stars, and how they've been faring this term:
The history
The club were founded in 1904 by employees of the pharmaceutical company Bayer which is based in the city. Over the next 30 years they gradually worked their way up from the fourth tier to the second, and in the 1950s they spent five years at the highest level.