Borussia Dortmund boss Thomas Tuchel has praised Cristiano Ronaldo as "an unbelievable winner" ahead of the Champions League meeting with Real Madrid.
Bayern face a tricky trip to Atletico Madrid as they plot Champions League revenge this week and Franck Ribery will need to be on his best behaviour.
Nuno Espirito Santo has insisted that they will not take the English champions lightly, despite their European inexperience.
Dortmund have a great record at the Westfalenstadion against Real Madrid, but a win on Tuesday isn't a foregone conclusion, writes Stefan Buczko.
Thomas Tuchel speaks ahead of Dortmund's UCL match against Real Madrid, and the threat Cristiano Ronaldo poses at all times.
Fernandinho has warned his Manchester City side to beware a Celtic backlash ahead of their UEFA Champions League clash in Glasgow on Wednesday.