Steve Nicol and Jason Dasey predict the outcomes of all the best matches on Wednesday, including Pep's return to the Camp Nou.
Erik Sviatchenko is looking for Celtic Park to put the frighteners on Borussia Monchengladbach on Wednesday night.
Atletico Madrid coach Diego Simeone says he is well aware of the dangers of Wednesday's Champions League game at Rostov.
Bayern began the season with eight straight wins in all competitions but are now without a win in three games.
Teammates at Barcelona for the past two seasons, they now find themselves in opposition. We asked our club correspondents to run the rule over them.