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Peeeep! Peeeeep! Away we go around Europe...
Stick around here for goal flashes from all eight matches and regular updates from Bayern Munich v Manchester City, Chelsea v Schalke and Barcelona v APOEL... or click below for a dedicated play-by-play of your choosing.
Bayern Munich v Manchester City
Roma v CSKA Moscow
Ajax v Paris Saint-Germain
Barcelona v APOEL
Chelsea v Schalke
Maribor v Sporting
Athletic Bilbao v Shakhtar Donetsk
Porto v BATE Borisov
Didier Drogba STARTS for Chelsea against Schalke with Diego Costa dropping to the bench, while Jose Mourinho sticks with Thibaut Courtois in goal ahead of Petr Cech. As for Bayern Munich v Manchester City, Arjen Robben, Sergio Aguero and Frank Lampard are all on the bench.
Manchester City captain Vincent Kompany: "There is probably not many harder places to come to. It is one of the best clubs in the world. It is the time to close the gap between us and those three, four best clubs in the world. It's time to start making these games close, making up the gap between ourselves and others. It is a good thing to start with such a game. But it is just the first step in the group stage. It is an important game."
2 - Manchester City have conceded exactly two goals in each of their last five Champions League games. Trend.— OptaJoe (@OptaJoe) September 17, 2014
The trophy owner Roman Abramovich craved the most finally came Chelsea’s way two years ago. They’re still keen for more success on the European front, though, and are one of the leading contenders to win the Champions League for a second time after some shrewd business in the transfer window and an impressive start to the new season. Goal’s Jay Jaffa has the lowdown...
Champions League health check: Chelsea
Six years on from their multi-squillion pound takeover and Manchester City have won two Premier League titles, an FA Cup and a League Cup. But the big one still alludes them and their hopes of clinching a first Champions League triumph have been dealt a blow after they were slapped with a £50 million fine for breaking FFP rules and limited to a squad of just 21 players for this year’s competition.
Champions League health check: Man City
Manuel Pellegrini = Silly Billy. Manchester City travelled to Bayern Munich in their final group-stage match last season and recovered from a slow start to take a 3-2 lead. Great, right? Nope. City needed one more goal to leapfrog Bayern and top the group - something Pellegrini didn’t know - and they held on for a 3-2 win instead of going for a fourth goal. Whoops-a-daisy.
Porto: Fabiano, Danilo, Martins Indi, Maicon, Alex Sandro, Casemiro, Brahimi, Herrera, Quaresma, Jackson, Adrian.
BATE Borisov: Chernik, Khagush, Filipenko, Mladenovic, Polyakov, Likhtarovich, Volodko, Aleksievich, Olekhnovich, Gordeychuk, Rodionov.
Maribor: Handanovic, Stojanovic, Rajcevic, Arghus, Viler, Vrsic, Filipovic, Mertelj, Sallalich, Ibrahimi, Tavares.
Sporting: Patricio, Cedric, Mauricio, Sarr, Jefferson, Andre Martins, William Carvalho, Adrien Silva, Carrillo, Slimani, Nani.
Ajax: Cillessen, Van Rhijn, Veltman, Moisander, Boilesen, Klaassen, Viergever, Serero, Schone, Sigthorsson, Andersen.
PSG: Sirigu, Van der Wiel, Marquinhos, David Luiz, Maxwell, Thiago Motta, Matuidi, Verratti, Cavani, Lucas, Ibrahimovic.
Athletic Bilbao: Iraizoz, Laporte, Gurpegi, Balenziaga, Benat, Iturraspe, De Marcos, Ibai Gomez, Rico, Muniain, Aduriz.
Shakhtar Donetsk: Pyatov, Srna, Kucher, Rakitskiy, Azevedo, Fernando, Stepanenko, Costa, Teixeira, Taison, Adriano.
Roma: De Sanctis, Maicon, Manolas, Astori, Torosidis, Pjanic, Keita, Nainggolan, Iturbe, Totti, Gervinho.
CSKA Moscow: Akinfeev, Mario Fernandes, Berezutski, Ignashevich, Nababkin, Natcho, Milanov, Tosic, Eremenko, Musa, Doumbia.
Chelsea: Courtois, Ivanovic, Cahill, Terry, Filipe Luis, Matic, Fabregas, Ramires, Willian, Hazard, Drogba. Subs: Cech, Zouma, Azpilicueta, Mikel, Oscar, Remy, Diego Costa.
Schalke: Fahrmann, Hoger, Ayhan, Neustadter, Fuchs, Boateng, Aogo, Sam, Meyer, Draxler, Huntelaar. Subs: Wetklo, Friedrich, Clemens, Choupo-Moting, Obasi, Barnetta, Avdijaj.
Didier Drogba is in from the start tonight for Chelsea against Schalke. Filipe Luis also starts but Diego Costa is only on the bench. Full team news on the way.
Barcelona: Ter Stegen, Pique, Bartra, Adriano, Alves, Xavi, Roberto, Samper, Messi, Neymar, Munir.
APOEL: Pardo, Joao Guilherme, Carlao, Antoniades, Sergio, Gomes, Vinicius, Morais, Aloneftis, Sheridan, De Vincenti.