UCL Semi-Final First Legs: 14 World Cup 2026 Stars

PSG vs Bayern Munich · Tuesday April 28

PSG host Bayern at Parc des Princes for the first leg. Both squads field World Cup-bound starters across multiple federations, which makes this fixture the single most influential match of the World Cup 2026 lead-up.

PSG · Two World Cup 2026 Starters In The Spotlight

Achraf Hakimi · 🇲🇦 Morocco · Right-back. Hakimi is Morocco's most important attacking outlet and the right-back Walid Regragui's 4-3-3 is built around. The Bayern back line will press his overlap; any heavy contact in the Bayern half could tighten Morocco's options before their June 13 opener vs Brazil. Hakimi PSG Morocco World Cup 2026 squad pencils him as untouchable; the question is the body he arrives in.

Ousmane Dembélé · 🇫🇷 France · Right wing. France's most explosive carrier outside Mbappé, Dembélé under Deschamps' 4-2-3-1 is the player who gives the system width when Mbappé pulls inside. A full 90 vs Bayern's high line is exactly the running profile his hamstrings have flagged for in past cycles. The risk window for an Ousmane Dembélé France World Cup 2026 absence opens here.

Bayern Munich · Seven National Teams At Stake In One Starting XI

Harry Kane · 🏴󠁧󠁢󠁥󠁮󠁧󠁿 England · Centre-forward. No player carries more national-team weight into this match than Kane. England under Tuchel have built around his finishing volume; without him, the No. 9 picture becomes Saka-as-false-nine and a series of rotation gambles. If Bayern make the final on May 30, Kane has 12 days before England's opener — already the tightest of any 2026 forward.

Jamal Musiala · 🇩🇪 Germany · Left forward. Half of the Wirtz–Musiala creative axis Nagelsmann's whole plan rests on. Musiala plays a contact-heavy game; PSG's full-back is going to leave bruises. A Jamal Musiala Germany World Cup 2026 status update on April 29 could swing Group E expectations.

Joshua Kimmich · 🇩🇪 Germany · Captain · Right-back / midfield. Germany's tactical lever — Nagelsmann uses Kimmich at right-back vs possession sides and as a deep pivot vs transition opponents. A heavy-minute UCL run means he arrives in June already at the back end of his ceiling.

Alphonso Davies · 🇨🇦 Canada · Left-back. Canada's most marketable player and Marsch's press-from-the-flank starting point. As host, Canada cannot afford a Davies fitness flag. The Bayern left side runs the most ground per match in the squad; another semi-final 90 stacks on a season already past 50 appearances.

Kim Min-jae · 🇰🇷 Korea Republic · Centre-back. Korea's defensive anchor under Hong Myung-bo. PSG's attacking trio is going to test Bayern's high line repeatedly; Kim Min-jae Korea Republic UCL semi-final injury risk is the single thread Korea fans have been refreshing for weeks.

Konrad Laimer · 🇦🇹 Austria · Right-back / midfield. Rangnick's Austria presses harder than any Pot 2 side at the tournament; Laimer is one of the engines. Bayern's domestic + UCL workload puts him at the high end of pre-tournament fatigue tables.

Aleksandar Pavlović · 🇩🇪 Germany · Defensive midfield. The next-generation pivot Nagelsmann has trusted ahead of Andrich for Germany's possession-controlled matches. A semi-final injury here would force Germany to lean harder on the older alternative just as Group E asks for tactical flexibility against Ecuador.

Atletico Madrid vs Arsenal · Wednesday April 29

Atletico host Arsenal at the Metropolitano for the second of the two first legs. Three more federations come into focus — Argentina, Norway, and a doubled-up France/England load on top of what Tuesday's match has already exposed.

Atletico Madrid · Three Federations Under One Roof

Antoine Griezmann · 🇫🇷 France · No. 10. France's most experienced creator and the player Deschamps still trusts as the central reference behind Mbappé. At 35, Griezmann's recovery window is the squad's tightest. A heavy semi-final 90 is exactly what his coach does not want logged on a body that needs every May day.

Julián Álvarez · 🇦🇷 Argentina · Centre-forward. Argentina's No. 9 candidate alongside Lautaro Martínez. Scaloni's defending-champions plan rotates through both, but Álvarez has been the more reliable starter through the qualifying cycle. He's also the player Atletico ride hardest in their counter — most kilometres per game in the squad. The Julián Álvarez Argentina World Cup 2026 fitness flag would be the loudest single development of this week.

Alexander Sørloth · 🇳🇴 Norway · Centre-forward. Norway's secondary striker behind Haaland and the player who gives Solbakken's 4-2-3-1 a different physical profile. Norway return to the World Cup after 28 years — every starter matters, and Sørloth is one of the four central-attacking pieces.

Arsenal · Four Starters Across Three Federations

Bukayo Saka · 🏴󠁧󠁢󠁥󠁮󠁧󠁿 England · Right wing. England's first-choice right-sided forward and the player most likely to slide into the false-9 role if Kane is unavailable. Tuchel has been explicit that Saka's spring fitness is the squad's primary tracking thread. A Bukayo Saka Arsenal England UCL semi-final injury would force a structural rethink.

Declan Rice · 🏴󠁧󠁢󠁥󠁮󠁧󠁿 England · Defensive midfield. England's anchor in midfield — the player Tuchel pairs with Bellingham to make the 4-2-3-1 work. Arsenal's UCL run has already added 60+ minutes of high-pressure football per week through April. Group L opens with Croatia on June 17; Rice is one of the names England cannot rotate around.

William Saliba · 🇫🇷 France · Centre-back. France's most consistent CB across the qualifying cycle alongside Upamecano. Atletico's centre-forward profile (Álvarez and Sørloth) tests exactly the aerial discipline Saliba has been cleanest at. Same fixture, two French risks.

Kai Havertz · 🇩🇪 Germany · Centre-forward. Germany's first-choice No. 9. The Havertz-as-false-nine pattern Nagelsmann has built around lets Wirtz and Musiala find space behind — a structural pillar. A Kai Havertz Germany World Cup 2026 fitness setback would force Füllkrug into the starting role earlier than Nagelsmann wants.

The Five Most-At-Risk Names

Sixteen starters across the two nights. These are the five whose absence would do the most damage in June, ranked by how irreplaceable they are inside their national-team plan:

• 1. Harry Kane (Bayern → England). No like-for-like replacement. England's whole structure under Tuchel assumes Kane as the starting No. 9.
• 2. Jamal Musiala (Bayern → Germany). Half of a creative axis Nagelsmann has built the cycle around. The system without Musiala is a different team.
• 3. Achraf Hakimi (PSG → Morocco). Morocco's right-back system is built for Hakimi. Backup options drop a clear tier.
• 4. Julián Álvarez (Atletico → Argentina). Argentina have Lautaro as direct alternative, but the rotation flexibility Álvarez gives Scaloni is unique.
• 5. Bukayo Saka (Arsenal → England). England's plan B for the No. 9 shortage. If Saka is also out, Tuchel runs out of forward profiles.

How The UCL Semi-Final Window Hits Each Country

🇩🇪 Germany — most exposed. Four starters in this round (Musiala, Kimmich, Pavlović at Bayern; Havertz at Arsenal). No other federation has more than two.

🏴󠁧󠁢󠁥󠁮󠁧󠁿 England — three starters in two clubs. Kane at Bayern; Saka and Rice at Arsenal. Tuchel's June 17 opener vs Croatia could land on three players coming off a UCL semi-final return leg + final + warmup friendlies.

🇫🇷 France — three starters in three clubs. Dembélé at PSG; Griezmann at Atletico; Saliba at Arsenal. Deschamps watches three different match feeds across two nights.

🇲🇦 Morocco — Hakimi alone, but he is the system. See Morocco's tactical setup: there is no Plan B without his right-flank engine.

🇨🇦 Canada — Davies alone, but as host the fitness margin is zero. A Bayern semi-final injury here is a Canada press-conference story for the rest of May.

🇰🇷 Korea Republic — Kim Min-jae alone. Korea's whole back four runs through him; back-up options drop a tier.

🇦🇹 Austria — Laimer. Rangnick's pressing system needs his right-side workload; depth behind him is thin.

🇦🇷 Argentina — Álvarez. Lautaro is a credible alternative, but Scaloni's rotation gets less flexible.

🇳🇴 Norway — Sørloth. Norway's first World Cup since 1998 cannot afford to lose a forward starter.

What Happens Next? Three Dates That Matter

• May 5–6 · UCL Semi-Final Return Legs. Whoever survives plays again the next week. Cumulative load across three matches in 8 days.
• May 11 · FIFA Provisional Squad Deadline. 35-player lists due. National-team coaches must submit names before knowing whether their starters survive the UCL final on May 30.
• May 30 · UCL Final in Budapest + 26-Player Final Squads. The two clubs that reach Budapest contribute the most-stressed players to the World Cup. We broke down exactly who that 12-day squeeze hurts most.

For the wider injury picture coming into the cycle's last 45 days, see why Brazil are more exposed than Argentina and the biggest questions before kickoff.

Bottom Line

Sixteen starters. Two nights. Eight federations. The UCL semi-final first legs are the only window in the next six weeks where one fixture can derail one country's tournament plan. Watch the 90 minutes — and the substitutions — closer than any league fixture you have watched all season.

For deeper team-by-team context, see our top-five title favourites, all 48 team pages and the final watch guide.