The league phase of the 2026/27 UEFA Champions League kicks off on Tuesday, September 8, with 36 teams vying for glory. Below is a detailed profile of each contender, based on UEFA coefficient rankings as of the end of the 2025/26 season.
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**AEK Athens (GRE)**
UEFA Coefficient Ranking: 84
Qualification: Play-off winners
Last Season: Conference League quarter-finalists
Best European Performance: Quarter-finals (1968/69)
Coach: Marko Nikolić
Key Player: Luka Jović
Big Summer Signing: Oleksandr Zubkov
One to Watch: Zini
**Arsenal (ENG)**
UEFA Coefficient Ranking: 7
Qualification: First in England
Last Season: Champions League runners-up
Best European Performance: Runners-up (2005/06, 2025/26)
Coach: Mikel Arteta
Key Player: Bukayo Saka
Big Summer Signing: Bruno Guimarães
One to Watch: Max Dowman
**Aston Villa (ENG)**
UEFA Coefficient Ranking: 17
Qualification: Europa League winners
Last Season: Europa League winners
Best European Performance: Winners (1981/82)
Coach: Unai Emery
Key Player: Boubacar Kamara
Big Summer Signing: Johan Manzambi
One to Watch: Ibrahim Mbaye
**Atlético de Madrid (ESP)**
UEFA Coefficient Ranking: 10
Qualification: Fourth in Spain
Last Season: Semi-finalists
Best European Performance: Runners-up (1973/74, 2013/14, 2015/16)
Coach: Diego Simeone
Key Player: Julián Alvarez
Big Summer Signing: Morten Hjulmand
One to Watch: Rodrigo Mendoza
**Barcelona (ESP)**
UEFA Coefficient Ranking: 8
Qualification: First in Spain
Last Season: Quarter-finalists
Best European Performance: Winners (multiple years)
Coach: Hansi Flick
Key Player: Lamine Yamal
Big Summer Signing: Rodri
One to Watch: Marc Bernal
**Bayern München (GER)**
UEFA Coefficient Ranking: 1
Qualification: First in Germany
Last Season: Semi-finalists
Best European Performance: Winners (multiple years)
Coach: Vincent Kompany
Key Player: Harry Kane
Big Summer Signing: Ismael Saibari
One to Watch: Lennart Karl
**Bodø/Glimt (NOR)**
UEFA Coefficient Ranking: 32
Qualification: Play-off winners
Last Season: Round of 16
Best European Performance: Round of 16 (2025/26)
Coach: Kjetil Knutsen
Key Player: Patrick Berg
Big Summer Signing: Joshua Kitolano
One to Watch: Andreas Helmersen
**Borussia Dortmund (GER)**
UEFA Coefficient Ranking: 11
Qualification: Second in Germany
Last Season: Champions League knockout phase play-offs
Best European Performance: Winners (1996/97)
Coach: Niko Kovač
Key Player: Serhou Guirassy
Big Summer Signing: Konstantinos Karetsas
One to Watch: Jobe Bellingham
**Club Brugge (BEL)**
UEFA Coefficient Ranking: 23
Qualification: First in Belgium
Last Season: Knockout phase play-offs
Best European Performance: Runners-up (1977/78)
Coach: Ivan Leko
Key Player: Hans Vanaken
Big Summer Signing: Yann Sommer
One to Watch: Joaquin Seys
**Como (ITA)**
UEFA Coefficient Ranking: N/A
Qualification: Fourth in Italy
Last Season: N/A
Best European Performance: League phase (2026/27)
Coach: Cesc Fàbregas
Key Player: Nico Paz
Big Summer Signing: Trevoh Chalobah
One to Watch: Jacobo Ramón
**Fenerbahçe (TUR)**
UEFA Coefficient Ranking: 42
Qualification: Play-off winners
Last Season: Europa League knockout phase play-offs
Best European Performance: Quarter-finals (2007/08)
Coach: İsmail Kartal
Key Player: N'Golo Kanté
Big Summer Signing: Romelu Lukaku
One to Watch: Dorgeles Nene
**Feyenoord (NED)**
UEFA Coefficient Ranking: 27
Qualification: Second in Netherlands
Last Season: Europa League league phase
Best European Performance: Winners (1969/70)
Coach: Giovanni van Bronckhorst
Key Player: Luciano Valente
Big Summer Signing: Nacho Ferri
One to Watch: Givairo Read
**Galatasaray (TUR)**
UEFA Coefficient Ranking: 49
Qualification: First in Türkiye
Last Season: Round of 16
Best European Performance: Semi-finals (1988/89)
Coach: Okan Buruk
Key Player: Victor Osimhen
Big Summer Signing: Lesley Ugochukwu
One to Watch: Renato Nhaga
**Inter (ITA)**
UEFA Coefficient Ranking: 5
Qualification: First in Italy
Last Season: Knockout phase play-offs
Best European Performance: Winners (multiple times)
Coach: Cristian Chivu
Key Player: Lautaro Martínez
Big Summer Signing: John Stones
One to Watch: Pio Esposito
**LASK (AUT)**
UEFA Coefficient Ranking: 99
Qualification: Play-off winners
Last Season: N/A
Best European Performance: League phase (2026/27)
Coach: Dietmar Kühbauer
Key Player: Samuel Adeniran
Big Summer Signing: Robert Ljubičić
One to Watch: Moses Usor
**Leipzig (GER)**
UEFA Coefficient Ranking: 37
Qualification: Third in Germany
Last Season: N/A
Best European Performance: Semi-finals (2019/20)
Coach: Martín Demichelis
Key Player: Christoph Baumgartner
Big Summer Signing: Maxime Estève
One to Watch: Antonio Nusa
**Lens (FRA)**
UEFA Coefficient Ranking: 120
Qualification: Second in France
Last Season: N/A
Best European Performance: Group stage (multiple years)
Coach: Yannick Cahuzac
Key Player: Florian Thauvin
Big Summer Signing: Thorgan Hazard
One to Watch: Robin Risser
**Lille (FRA)**
UEFA Coefficient Ranking: 29
Qualification: Third in France
Last Season: Europa League round of 16
Best European Performance: Round of 16 (multiple years)
Coach: Davide Ancelotti
Key Player: Benjamin André
Big Summer Signing: Ayase Ueda
One to Watch: Nathan Ngoy
**Liverpool (ENG)**
UEFA Coefficient Ranking: 4
Qualification: Fifth in England
Last Season: Quarter-finals
Best European Performance: Winners (multiple years)
Coach: Andoni Iraola
Key Player: Virgil van Dijk
Big Summer Signing: Bradley Barcola
One to Watch: Rio Ngumoha
**Manchester City (ENG)**
UEFA Coefficient Ranking: 6
Qualification: Second in England
Last Season: Round of 16
Best European Performance: Winners (2022/23)
Coach: Enzo Maresca
Key Player: Erling Haaland
Big Summer Signing: Elliot Anderson
One to Watch: Nico O'Reilly
**Manchester United (ENG)**
UEFA Coefficient Ranking: 21
Qualification: Third in England
Last Season: N/A
Best European Performance: Winners (multiple years)
Coach: Michael Carrick
Key Player: Bruno Fernandes
Big Summer Signing: Youri Tielemans
One to Watch: Leny Yoro
**Napoli (ITA)**
UEFA Coefficient Ranking: 34
Qualification: Second in Italy
Last Season: League phase
Best European Performance: Quarter-finals (2022/23)
Coach: Massimiliano Allegri
Key Player: Rasmus Højlund
Big Summer Signing: Benoît Badiashile
One to Watch: Alisson Santos
**Paris Saint-Germain (FRA)**
UEFA Coefficient Ranking: 3
Qualification: Champions League winners/First in France
Last Season: Champions League winners
Best European Performance: Winners (multiple years)
Coach: Luis Enrique
Key Player: Khvicha Kvaratskhelia
Big Summer Signing: Ferran Torres
One to Watch: Maghnes Akliouche
**Porto (POR)**
UEFA Coefficient Ranking: 20
Qualification: First in Portugal
Last Season: Quarter-finals Europa League
Best European Performance: Winners (multiple years)
Coach: Francesco Farioli
Key Player: Diogo Costa
Big Summer Signing: Jakub Kiwior
One to Watch: Victor Froholdt
**PSV (NED)**
UEFA Coefficient Ranking: 26
Qualification: First in Netherlands
Last Season: League phase
Best European Performance: Winners (1987/88)
Coach: Peter Bosz
Key Player: Ricardo Pepi
Big Summer Signing: Sven Mijnans
One to Watch: Noah Fernandez
**Real Betis (ESP)**
UEFA Coefficient Ranking: 24
Qualification: Fifth in Spain
Last Season: Quarter-finals Europa League
Best European Performance: Group stage (multiple years)
Coach: Manuel Pellegrini
Key Player: Antony
Big Summer Signing: Fran García
One to Watch: Abde Ezzalzouli
**Real Madrid (ESP)**
UEFA Coefficient Ranking: 2
Qualification: Second in Spain
Last Season: Quarter-finals
Best European Performance: Winners (multiple years)
Coach: José Mourinho
Key Player: Kylian Mbappé
Big Summer Signing: Marc Cucurella
One to Watch: Yan Diomande
**Roma (ITA)**
UEFA Coefficient Ranking: 13
Qualification: Third in Italy
Last Season: Round of 16 Europa League
Best European Performance: Runners-up (1983/84)
Coach: Gian Piero Gasperini
Key Player: Manu Koné
Big Summer Signing: Donyell Malen
One to Watch: Niccolò Pisilli
**Sabah (AZE)**
UEFA Coefficient Ranking: 244
Qualification: Play-off winners
Last Season: N/A
Best European Performance: League phase (2026/27)
Coach: Valdas Dambrauskas
Key Player: Veljko Simić
Big Summer Signing: Tymoteusz Puchacz
One to Watch: Joy-Lance Mickels
**Shakhtar (UKR)**
UEFA Coefficient Ranking: 45
Qualification: Champions League rebalancing
Last Season: Conference League semi-finals
Best European Performance: Quarter-finals (2010/11)
Coach: Arda Turan
Key Player: Pedrinho
Big Summer Signing: Bruninho
One to Watch: Kauã Elias
**Slavia Praha (CZE)**
UEFA Coefficient Ranking: 59
Qualification: First in Czechia
Last Season: League phase
Best European Performance: Group stage (multiple years)
Coach: Jindřich Trpišovský
Key Player: Lukáš Provod
Big Summer Signing: Ange N'Guessan
One to Watch: Wiktor Nowak
**Slovan Bratislava (SVK)**
UEFA Coefficient Ranking: 65
Qualification: Play-off winners
Last Season: League phase Conference League
Best European Performance: League phase (multiple years)
Coach: Yaya Touré
Key Player: Andraž Šporar
Big Summer Signing: Suleiman Camara
One to Watch: Nino Marcelli
**Sporting CP (POR)**
UEFA Coefficient Ranking: 15
Qualification: Second in Portugal
Last Season: Quarter-finals Champions League
Best European Performance: Quarter-finals (multiple years)
Coach: Rui Borges
Key Player: Luis Suárez
Big Summer Signing: Rodrigo Zalazar
One to Watch: Gonçalo Inácio
**Stuttgart (GER)**
UEFA Coefficient Ranking: 80
Qualification: Fourth in Germany
Last Season: Round of 16 Europa League
Best European Performance: Round of 16 (multiple years)
Coach: Sebastian Hoeness
Key Player: Deniz Undav
Big Summer Signing: Bilal El Khannouss
One to Watch: Finn Jeltsch
**Viking (NOR)**
UEFA Coefficient Ranking: 202
Qualification: Play-off winners
Last Season: N/A
Best European Performance: League phase (2026/27)
Coaches: Bjarte Lunde Aarsheim, Morten Jensen
Key Player: Zlatko Tripić
Big Summer Signing: Erik Botheim
One to Watch: Henrik Falchener
**Villarreal (ESP)**
UEFA Coefficient Ranking: 39
Qualification: Third in Spain
Last Season: League phase
Best European Performance: Semi-finals (multiple years)
Coach: Iñigo Pérez
Key Player: Georges Mikautadze
Big Summer Signing: Nathan Saliba
One to Watch: Alberto Moleiro
The teams listed will represent their respective leagues, aiming to showcase their strengths in one of the most prestigious tournaments in club football.