Possible line-ups and team news for Wednesday

Group A
Arsenal v Paris
Arsenal: Ospina; Jenkinson, Mustafi, Koscielny, Monreal; Coquelin, Xhaka; Oxlade-Chamberlain, Özil, Iwobi; Giroud.
Out: Bellerín (ankle), Lucas Pérez (ankle), Cazorla (Achilles), Mertesacker (knee), Welbeck (knee), Akpom (back)

Paris: Aréola; Meunier, Marquinhos, Thiago Silva, Maxwell; Verratti, Thiago Motta, Matuidi; Lucas, Cavani, Di María.
Out: Pastore (knee), Kurzawa (groin), Rabiot (hamstring), Aurier (visa problems)
Doubtful: Di María (thigh), Aréola (ankle)

Ludogorets v Basel
Ludogorets: Stoyanov; Minev, Moţi, Palomino, Natanael; Dyakov, Anicet; Marcelinho, Wanderson, Cafú; Keșerü.
Out: Vitinha (knee)

Basel: Vaclík; Lang, Balanta, Suchý, Traoré; Xhaka, Zuffi, Bjarnason, Elyounoussi, Delgado; Doumbia.
Out: Die (suspended), Steffen (suspended)

Group B
Beşiktaş v Benfica
Beşiktaş: Fabri; Gönül, Marcelo, Tošić, Beck; Arslan, Hutchinson; Quaresma, Özyakup, Adriano; Aboubakar.
Out: Erkin (Achilles), Talisca (foot), Rhodolfo (knee)

Benfica: Ederson; Eliseu, Lindelöf, Luisão, Nélson Semedo; Samaris, Pizzi, Cervi, Salvio; Gonçalo Guedes, Mitroglou.
Out:Grimaldo (stomach), André Horta (thigh), Jonas (ankle)
Doubtful: Fejsa (ankle)

Napoli v Dynamo Kyiv
Napoli: Reina; Hysaj, Maksimović, Koulibaly, Ghoulam; Allan, Jorginho, Hamšík; Insigne, Mertens, Callejón.
Out: Milik (knee)
Doubtful: Albiol (thigh), Gabbiadini (muscular problem)

Dynamo Kyiv: Rudko; Morozyuk, Khacheridi, Vida, Makarenko; Rybalka; Yarmolenko, Sydorchuk, Garmash, Tsygankov; Júnior Moraes.
Out: Danilo Silva (knee), Fedorchuk (muscle problem), Gladkiy (omitted), Gusev (omitted)
Doubtful: Khacheridi (knee)

Group C
Mönchengladbach v Manchester City
Mönchengladbach: Sommer; Elvedi, Christensen, Vestergaard; Dahoud, Strobl; Traoré, Stindl, Wendt; Hazard, Raffael.
Out: Korb (suspended), Kramer (suspended), Domínguez (back), Schulz (hip), Doucouré (fitness), Drmić (fitness)

Man. City: Bravo; Zabaleta, Stones, Otamendi, Clichy, Kolarov; Fernandinho, Gündoğan; Sterling, Silva, De Bruyne; Agüero.
Out: Delph (groin), Kompany (concussion, knee ligaments)

Celtic v Barcelona
Celtic: Gordon; Lustig, Šimunović, Sviatchenko, Izaguirre; Brown, Armstrong; Forrest, Rogic, Sinclair; Dembélé.
Out: Tierney (ankle), Griffiths (hamstring)
Doubtful: Touré (groin)

Barcelona: Ter Stegen; Sergi Roberto, Piqué, Mascherano, Alba; Rakitić, Busquets, Rafinha; Messi, Luis Suárez, Neymar.
Out: Iniesta (knee), Umtiti (hamstring), Mathieu (calf)
Doubtful: Piqué (unspecified)

Group D
Atlético v PSV
Atlético: Oblak; Vrsaljko, Godín, Giménez, Filipe Luís; Gaitán, Koke, Gabi, Carrasco; Griezmann, Gameiro.
Out: Augusto Fernández (knee), Alessio Cerci (knee)

PSV: Zoet; Arias, Isimat-Mirin, Schwaab, Moreno, Willems; Pröpper, Ramselaar, Narsingh; Pereiro, L De Jong.
Out: Guardado (hamstring), Hendrix (knee), Locadia (groin), Brenet (ankle)

Rostov v Bayern
Rostov: Dzhanaev; Kalachev, Mevlja, Navas, Granat, Kudryashov; Gatskan, Noboa, Erokhin; Poloz, Azmoun.
Out: none

Bayern: Ulreich; Lahm, Boateng, Hummels, Alaba; Xabi Alonso, Sanches, Thiago; Müller, Lewandowski, Ribéry.
Out: Coman (knee), Neuer (calf), Vidal (adductors), Martínez (thigh), Robben (muscular problems)