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Champions League Returns with Blockbuster Clashes as League Phase Kicks Off

The grand spectacle of European club football is back. The revamped UEFA Champions League league phase begins today, Tuesday, September 16, 2025, promising a week of scintillating encounters. Under the new format, 36 teams will compete in a single league, with the opening matchday already throwing up several heavyweight clashes that are set to ignite the competition from the very start.

This week, fans will be treated to a series of mouth-watering fixtures, including titanic battles between former champions and intriguing contests featuring some of the continent’s most in-form sides. Here’s a preview of the top matches to look out for in the first week of the Champions League.

Declan Rice - Arsenal baller
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Clash of Titans: Bayern Munich vs. Chelsea

A rematch of the 2012 final, the encounter between German giants Bayern Munich and English powerhouse Chelsea at the Allianz Arena on Wednesday is arguably the headline fixture of the week. Both teams have started their domestic seasons strongly and will be looking to make a statement on the European stage.

Bayern, under their new manager, have been in formidable form, scoring freely in the Bundesliga. All eyes will be on their talismanic striker, who has been in prolific goalscoring form. Chelsea, on the other hand, will be aiming to build on their recent successes and prove their mettle against one of Europe’s elite. This match promises a fascinating tactical battle between two of the most respected coaches in the game.

Anfield’s European Roar: Liverpool vs. Atlético Madrid

Anfield is set for another classic European night on Wednesday as Liverpool welcome the staunch defense of Atlético Madrid. This fixture has a history of fiery encounters, with contrasting footballing philosophies often leading to dramatic and intense matches.

Liverpool have enjoyed a solid start to their Premier League campaign and will be relying on their high-octane attacking football to break down Diego Simeone‘s notoriously resolute side. Atlético, meanwhile, will look to frustrate the home crowd and hit on the counter-attack, a strategy that has brought them success in the past. The atmosphere at Anfield is always a factor, and it will undoubtedly play a significant role in this eagerly anticipated clash.

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A Tyneside Spectacle: Newcastle United vs. Barcelona

Thursday will see the Champions League anthem ring out at St. James’ Park for a historic encounter as Newcastle United play host to Spanish giants Barcelona. The Magpies’ return to Europe’s premier competition has been met with huge excitement, and this glamour tie is the perfect way to mark the occasion.

Newcastle will be hoping to harness the energy of their passionate home support to cause an upset against a Barcelona side brimming with world-class talent. The visitors, who have had a mixed start to their La Liga season, will be wary of the challenge posed by the Premier League outfit. This match represents a classic David vs. Goliath scenario, with the potential for a memorable European upset.

Attack Meets Attack: Manchester City vs. Napoli

In what promises to be an exhibition of attacking football, Manchester City will welcome Italian champions Napoli to the Etihad Stadium on Thursday. Both teams are known for their fluid, possession-based styles of play, setting the stage for an open and entertaining contest.

Manchester City, one of the pre-tournament favorites, will be keen to lay down an early marker in the competition. Napoli, however, possess a wealth of attacking talent and have demonstrated their ability to compete with the best in Europe. This is a match that is unlikely to be short on goals and could be a contender for the game of the week.

Bernabéu Spotlight: Real Madrid vs. Marseille

The Santiago Bernabéu will be the stage for a compelling encounter as Real Madrid, a club synonymous with Champions League glory, host French side Marseille. Real Madrid, under their new management, have made a perfect start to their domestic season and will be looking to carry that momentum into their European campaign.

Marseille, returning to the Champions League, will be eager to prove they can compete with the continent’s elite. They face a daunting task against a Real Madrid side that has historically been dominant in this competition, particularly at home. However, with a new-look attack, the French side will be hopeful of causing problems for the Spanish giants. This match will be a test of Real Madrid’s early-season form and Marseille’s ambitions on the European stage.

Other Notable Encounters

Beyond these headline fixtures, several other matches are worthy of attention. On Tuesday, Italian giants Juventus will take on a dangerous Borussia Dortmund side in Turin, in a clash of two of Europe’s most storied clubs. The meeting between two of the Premier League’s top teams, Arsenal and a formidable Spanish opponent, is another fixture that promises high-quality football.

The new Champions League league phase is designed to deliver more big-name clashes from the outset, and the first week of action certainly lives up to that billing. With giants of the game going head-to-head across the continent, football fans are in for a treat as the road to the 2026 final in Budapest begins in earnest.

MUNICH, GERMANY - MAY 31: Achraf Hakimi of Paris Saint-Germain celebrates with the UEFA Champions League trophy after his team's victory, to secure Paris Saint-Germain's first ever UEFA Champions League title in the club's history and a record UEFA Champions League Final winning scoreline of 5-0, following the UEFA Champions League Final 2025 between Paris Saint-Germain and FC Internazionale Milano at Munich Football Arena on May 31, 2025 in Munich, Germany.
(Photo by Michael Regan – UEFA/UEFA via Getty Images)