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The Lead: Neymar's World Cup Dreams DashedBrazilian football superstar Neymar has been ruled out of the national team's upcoming friendlies and their crucial World Cup opener after scans revealed a grade-two calf injury, the Brazilian Football Confederation (CBF) has confirmed. The setback is a significant blow to Brazil's hopes in the upcoming tournament, as the 34-year-old forward faces two to three weeks on the sidelines.The Injury Details: Diagnosis and Recovery TimelineCBF doctor Rodrigo Lasmar delivered the news on Thursday, revealing that Neymar underwent medical tests including an MRI scan which showed a grade-two calf strain—more severe than initially thought. This moderate injury involves a partial tear of the muscle fibers that requires rest and rehabilitation. The diagnosis differs from that presented by Santos prior to the squad announcement, with the club's doctor stating the problem was merely swelling. Neymar will miss Sunday's friendly against Panama at the Maracana and the subsequent match against Egypt in Cleveland.The Team Impact Analysis: Brazil Adjusts Without Key PlayersThe absence of Neymar compounds Brazil's existing injury concerns. Manager Carlo Ancelotti is already without defenders Gabriel Magalhaes and Marquinhos, as well as forward Gabriel Martinelli for Sunday's fixture due to their involvement in this weekend's Champions League final between Arsenal and Paris Saint-Germain. Neymar's recall had generated widespread excitement after not featuring in Ancelotti's plans during the Italian's year in charge. The forward, who has scored 79 goals in 128 international appearances, has endured years of injury troubles and an underwhelming return to Santos.The Tournament Outlook: Brazil's Path ForwardWith Neymar all but ruled out of Brazil's World Cup opener against African champions Morocco on June 13 in New Jersey, the five-time world champions must quickly regroup. Brazil are in Group C alongside Haiti and Scotland. Ancelotti had previously stated that Neymar would receive no special treatment, and that his place in the squad would be strictly based on fitness and form, not sentiment. For now, Brazil must plan without their star player as they prepare for their World Cup campaign.

The Launch of Sesame's Conversational AI On Thursday, the AI startup Sesame, co-founded by Oculus' founders and others from the VR company that sold to Meta, released a public preview of the conversational AI agents it's been developing for over a year. With its new iOS app, Sesame is rethinking the traditional AI chatbot experience popularized by apps like ChatGPT, creating one where conversation flows, even if the AI needs time to think. Reimagining AI Conversation Flow As the company explains in its launch announcement, "There's an inherent tension between replying quickly and taking the time to compose thoughtful responses. A slower response is usually more correct, but it can also feel unnatural if it takes too long." To address this challenge, Sesame claims to have built fast search and retrieval systems, so the AI can have up-to-date information, as well as technology that allows it to run multiple parallel searches while speaking, weaving those results into its responses as it talks. That means the AI will talk more like a human, even pivoting mid-sentence if need be, as it taps into newer information — as a human might when remembering another key fact or point they want to add. User Growth and Development Milestones The app offers four distinct AI agents called Maya, Miles, Simone, and Charlie, each of which have their own distinct voice, personality, point of view, and memory. Maya and Miles were previously available in Sesame's Research Preview of its technology, where they were soon accessed by over one million people within the first few weeks, said Sesame investor Sequoia at the time. (The company had then just raised its $250 million Series B from Sequoia and others and was opening up a beta.) During the beta, Sesame learned from user feedback and rolled out features such as search cards with image results for visualizing concepts, notes for capturing takeaways, a texting mode for those times when speaking aloud is not an option, and support for deep dives where you can get more in-depth results. There's also a new incognito mode for private conversations, which allows the agents access to prior context but saves nothing to memory. Transforming the AI Landscape The app, however, is only the first step toward Sesame's bigger plans for AI involving intelligent eyewear, which the team expects to launch in 2027. Before that, the agents will also learn to do more than just think with you, Sesame hints, suggesting they'll later be able to take action on your behalf — hence why they're called "agents" in the first place, instead of just chatbots. That is potentially even more interesting, as working with agentic tools or apps today requires being able to prompt for what you need and have a specific idea of what you want to happen, and sometimes, even how it should happen. A conversational agent that you could talk to naturally could help you take the next steps, without you having to perfect the command you're giving it. The Road to AI-Powered Eyewear The iOS app is out today in 39 countries, and the full experience is free for the time being. However, there still may be a short waitlist at sign-up. An Android preview is coming in the future, the company says.

The Plan for World Cup Glory As co-hosts, Canada enter the World Cup with high expectations, despite never winning a match at a previous tournament. Since a Concacaf Nations League semi-final defeat to Mexico in March 2025 the team have lost one of 15 matches at the time of writing, a run that has included some excellent opponents such as Colombia, Ecuador, Ukraine and the USA, whom they have defeated twice in the past two years, including their first win on US soil in 57 years. The coach, Jesse Marsch, has maintained a consistent 4-4-2 with the emphasis on pressing from the front and pace in wide positions. "Some teams press to win the ball back, we press to punish and think about scoring immediately when we recover the ball," said Marsch, who is American, but has captured the hearts of many Canadians since he took the job in May 2024 and guided the team to the semi-finals of the Copa América. Canada's World Cup Schedule 12 June v Bosnia and Herzegovina, Toronto (3pm local, 8pm BST) 18 June v Qatar, Vancouver (3pm local, 11pm BST) 24 June v Switzerland, Vancouver (noon local, 8pm BST) Success at that tournament, and subsequently in friendlies, is based on a defensive structure Marsch worked on immediately when taking the job and playing against the Netherlands and France in his first two matches in charge. Nine clean sheets in 13 matches before the pre-tournament friendlies is even more impressive considering Moïse Bombito, their star centre-back from Nice, and Bayern Munich's Alphonso Davies did not play in any of those matches because of injury. The Coach's Vision Jesse Marsch's first venture into international management has been a successful one, but not one he found easy to adjust to. "From the moment I worked with this group of players in the first camp, I knew I was going to fall in love with these guys," he says. "They are a unique group of really good people, who are very talented, and when I said goodbye to them it was different from what I was used to as a head coach in the club game." Marsch has enjoyed those gaps in his schedule, using time to visit Canadian players across the world and spending a lot of time in the country at the provincial level to help bring a more united approach to the way the game is developed and governed. Star Player's Return Questioned The captain, Alphonso Davies, has not played for Canada since tearing his ACL against USA in the Nations League third-place match last March. Whether to play him at left-back or on the wing has been one of the biggest questions for years, but under Marsch the Bayern Munich man has predominantly been used at the back and has been excellent. However, another injury setback, against Paris St-Germain in the Champions League semi-final second leg – his third in the past three months – has put his participation for the opening game against Bosnia and Herzegovina in doubt. He has started 12 of 29 internationals in the Marsch-era at the time of writing. One to Watch Few players have received more work and attention from his national coach than the midfielder Ismaël Koné, who was dropped during the Copa América as he struggled to make an impact. Since then he has been excellent for Sassuolo in Serie A and has turned into a dynamic box-to-box midfielder for Marsch, learning valuable lessons defensively in Italy, where his discipline and tactical concentration has improved significantly. Expected to start next to the excellent Stephen Eustáquio in a key double-pivot tandem for Canada. Unsung Hero Norwich's Ali Ahmed has become a favourite of Marsch's because of his selfless work on the pitch. Ahmed is asked to lead the press on the left wing, often cutting inside to increase the midfield numbers and bring intensity and energy off the ball. One of the reasons Marsch has not deployed Davies further forward is because he views his team without the ball more than with it and in that vision the former Vancouver Whitecaps man is crucial. Probable Starting XI Canada's likely formation for the World Cup matches will be based on the 4-4-2 system that Marsch has consistently employed, with specific attention to defensive structure and pressing from the front. Fan Expectations Canada is ready to host the world, but the attention is more on this team than other games happening in the country. Being the only side to start on the east coast and move directly to the west coast allows fans in Toronto and Vancouver to watch their team in the group stages. The supporters group The Voyageurs will lead the noise with their flags and chants of "Ooh, Ahh Canada". Canada is known for its cosmopolitan population and cultural diversity, with people from all over the world, and should benefit from playing three group opponents with relatively diverse fan bases.

The Shocking Exit at Roland GarrosJannik Sinner's bid for a maiden French Open title and career Grand Slam went up in smoke as he experienced physical issues in his second-round match against Juan Manuel Cerundolo and fell to a 3-6 2-6 7-5 6-1 6-1 defeat. The 24-year-old Italian arrived in Paris as the clear favorite for the title, having lifted claycourt titles in Monte Carlo, Madrid and Rome, with his main rival and defending champion Carlos Alcaraz ruled out with injury and Novak Djokovic searching for his best form.The Dramatic Turn of EventsBut Cerundolo tore up the script in a dramatic clash on a scorching Thursday where he held his nerve even as last year's runner-up Sinner crumbled while on the verge of a big win, sending shockwaves through Roland Garros. As the temperature climbed over the 30 degrees Celsius (86F) mark for the first time in the afternoon, Sinner had already breezed through the first set on the back of a solitary break, and looked to be in cruise mode.The Physical Toll of the MatchCerundolo offered resistance towards the end of the second set, but the 56th-ranked Argentinian was left with a mountain to climb after Sinner unleashed a huge forehand winner to double his lead in the match for the loss of only five games. The four-time Grand Slam champion cooled off with an ice towel in the break and turned up the intensity on his unseeded opponent in the third set to go 5-1 ahead, before he began to struggle and halted play when serving at 5-4.The Comeback VictorySinner returned from an off-court medical timeout five minutes later and was immediately broken for 5-5, and dropped the next two games to hand the set to his opponent, who sensed the chance to pull off a major upset. Still not at his best, Sinner surrendered the fourth set tamely and was broken early in the decider, as Cerundolo took full advantage to leave the Grand Slam without its title favorite.The Tournament AftermathSinner's unexpected exit creates a wide-open draw at Roland Garros, with the top half of the men's bracket now lacking a clear favorite. The Italian's physical concerns may also raise questions about his preparation for the upcoming grass court season, including Wimbledon. For Cerundolo, the victory represents the biggest win of his career and establishes him as a dangerous floater in the tournament, with the confidence to challenge remaining players.

The Rise of Recursive Self-Improvement in AIThe word "recursion" is the latest buzzword in AI circles. Two separate startups have taken on the name, and many more have started referencing recursive self-improvement (RSI) in their roadmaps. Like AGI before it, RSI has become a three-letter byword for a cataclysmic AI takeoff – even if there's still a little disagreement about what it exactly means.In basic terms, RSI refers to an AI system that can continuously upgrade itself. Once AI systems can manage the upgrade cycle better than humans, the process can become a closed loop, limited only by the compute power they can access, and humans are no longer necessary or even helpful.Scary or not, that's a vision that a lot of AI labs are eager to chase.Key Players Pursuing Recursive SystemsEarlier this month, well-known AI researcher Richard Socher launched the aptly named Recursive Superintelligence with RSI as an explicit goal. "Our main focus is to build truly recursive, self-improving superintelligence at scale," Socher told TechCrunch at launch, "which means that the entire process of ideation, implementation, and validation of research ideas would be automatic."A number of other prominent researchers are already chasing that same goal, hoping for a breakthrough that will make recursive self-improvement possible.One of the most prominent is Andrej Karpathy, a legendary figure from Tesla and OpenAI, who is using agent swarms to train LLMs on simple tasks for a project he calls Auto-Research. Karpathy has been unusually open about the project, tweeting about milestones regularly and making the building blocks available through a public GitHub repo. So far, the work has mostly been confined to making minor improvements on a GPT-2 scale model — as Karpathy noted in March, "It's not novel, ground-breaking 'research' (yet)" — but it's been enough to convince lots of other researchers to follow the RSI dream. And with Karpathy now working on pre-training at Anthropic, he will have plenty of opportunity to apply the idea at a larger scale.Adaption — founded by Cohere and Google alum Sara Hooker — recently launched a similar tool called AutoScientist in an effort to automate frontier training. Like Karpathy's auto-researchers, the system trains agents to make incremental improvements — but for Adaption, the goal is to make it easier to train a full-scale frontier model. If those same researchers start to push the frontier forward, the system could quickly spiral into something very much like RSI.Disarray founder Doris Xin drew more specific RSI interest when her self-trained machine learning agent took home 28 medals in a recent Kaggle competition, beating out many human-trained agents. As she sees it, the major challenge is reliability."I would argue, given infinite compute and infinite time horizon, we are already there," Xin told me. "I want to make an argument that this is not a creative endeavor, really. It's just a lot of meat-and-potatoes engineering."The Current State of Self-Improving AIThere's also plenty of evidence that the AI industry isn't very close to recursive systems in any meaningful way — and is still grappling with talking to a wary public about its progress. So Google CEO Sundar Pichai basically admitted in a recent podcast interview."It's a continuum, and we are all definitely making progress," Pichai said. "But in the way people describe RSI, that would represent a next level of acceleration and would have a lot of implications, but we aren't quite there yet."But the continuum includes an awful lot of self-improving AI systems.In January, one of Anthropic's lead programmers for Claude Code estimated that "close to 100%" of his team's code was written by the tool — a frank admission that Claude Code was literally writing itself.Just because engineers are using an AI tool doesn't mean the tool can replace them — but Anthropic seems to be getting close to replacing engineers too. In a recent survey tied to the Mythos preview, five out of 18 Anthropic engineers believed that, with harness improvements, this version of Mythos could soon substitute for an L4 engineer — a midlevel programmer who can take on involved projects without supervision.Still, there were some of the same weaknesses you might expect."Some of Claude's major reported weaknesses compared to an L4 include: self-managing week-long ambiguous tasks, understanding org priorities, taste, verification, instruction-following, and epistemics," the report reads.In other words, its weaknesses are everything involved with self-direction, which is the cornerstone for RSI. But sure, for everything else, Claude is ready to step right in.Expert Perspectives on RSI TimelinesJust like the AGI term before it, the AI industry also can't tell us how far away it is from showcasing a meaningful recursive system. When Georgetown's Center for Security and Emerging Technology assembled a group of experts to study RSI last year, the group found a major split in assessments — some expecting an imminent "superintelligence" style explosion while others expected slower progress and an eventual plateau. But all agreed that recursion made the future especially difficult to predict.Helen Toner, director of CSET and a former board member at OpenAI, told TechCrunch that simply using AI tools to do AI research isn't enough to qualify as RSI. "They're just using AI for as much as they can," Toner told TechCrunch. "And I think that is different from the classic definition of RSI, which is really that there are no humans needed."Toner pointed to a recent post by METR's Ajeya Cotra, which distinguishes different milestones on the path to the AI research takeover. One step, which Cotra calls "adequacy," would come when the system can still perform research after all humans are removed — even if the resulting research isn't as valuable or efficient. "Parity" comes when an AI-only system is as good at research as a human-only system. "Supremacy," the final stage, comes when an AI-only system outperforms a collaborative system between humans and AI.Ultimately, Cotra concludes that AI is very close to the adequacy threshold of being able to produce some work on its own — similar to the incremental changes made by Karpathy's Auto-Research system. "I wouldn't be totally shocked if you told me this milestone had already passed, and I expect it to happen in the next couple years," Cotra wrote.She was less clear on when parity will come, but once it does, she thinks it would "massively accelerate the pace of AI progress, leading to AI research supremacy within another year."The Challenges Ahead for Recursive AIWith so much of AI built on scaling laws, there's a strong tendency to think RSI will follow the same curve. Toner thinks that many of those pursuing AI research and development via RSI "think of it as a pretty smooth ladder, where you can just keep scaling up."But even if AI researchers are able to make incremental improvements like Karpathy's auto-researchers, there will be larger challenges in handing off the whole process of research. Toner put it in terms of the history of computing, which has seen human beings handing off more and more of the process while still directing things from the top."We went from machine languages to assembly language and compiled languages; you're getting further and further from the guts of the computer," Toner said. "But the human is still, in some intuitive sense, running the show."Moving beyond that paradigm will take significant challenges, both in engineering and alignment. But even with the massive investments happening, there's no infinite compute available — and the basic trade-off between human labor and machine intelligence will be hard to overcome.The Future of Recursive Self-ImprovementAs for a total recursive AI system of apocalyptic visions? The only thing researchers essentially agree on is that, like AGI, it's not here yet.

The Collapse of a 30-Match StreakJannik Sinner’s bid for a maiden French Open title and a career grand slam was abruptly halted on Thursday. The world No. 1 was forced to retire from his second-round match against Argentina's Juan Manuel Cerúndolo, succumbing to the extreme playing conditions rather than a lack of skill. The match ended in a 3-6, 2-6, 7-5, 6-1, 6-1 defeat, marking a significant psychological and statistical setback for the Italian star.Heatwave Takes Center StageThe defining narrative of this match was not the tactical battle between the top seed and the 56th-ranked opponent, but the relentless 33°C (91°F) temperature. Sinner dominated the opening two sets, winning them 6-3 and 6-2 with ease. However, the physical toll became evident in the third set when he was serving for the match at 5-4. After bending over in distress and leaving the court for medical attention, he returned but lost the set 7-5, eventually conceding the match in the fifth set.The Numbers Behind the DefeatStreak Broken: Sinner's 30-match winning streak, which dated back to February, came to an end.Ranking Gap: The match pitted the world No. 1 against the 56th-ranked Cerúndolo, a significant gap in form and ranking.Temperature: The match began at 29°C (84°F) and was forecasted to rise to 33°C (91°F), creating a grueling environment for endurance.The Physical Toll of Extreme ConditionsSinner's struggle highlights a recurring vulnerability for top players: adapting to extreme heat. This is not the first time the Italian has faced such challenges; he previously struggled against Eliot Spizzirri at the Australian Open in January, where the roof was closed to mitigate the heat. The sight of his light blue outfit soaked through with sweat and his visible distress off-court underscores the severe physiological stress players face in these conditions.Navigating the Elements in Grand Slam TennisAs the climate continues to impact major sporting events, the mental and physical resilience required to play in high temperatures is becoming a critical factor in tournament outcomes. Sinner's exit serves as a stark reminder that even the best players in the world are not immune to the elements. Future matches will likely see players needing to manage their energy levels more aggressively to survive the deciders.

Kouame's Stunning French Open Win France's Moise Kouame has become the youngest man since Rafael Nadal in 2003 to reach the third round of a Grand Slam with a stunning match tie break victory against Paraguay's Adolfo Daniel Vallejo. Matching Nadal's Record Kouame, 17, became the youngest Grand Slam match winner for 17 years when he beat former US Open champion Marin Cilic in the first round. His feat, matching that of Nadal at Wimbledon 20 years ago, was achieved with a 6-3 7-5 6-3 6-2 6-6 (10-8) defeat of Vallejo. The Match in Detail The 22-year-old Vallejo is ranked 71st in the world – compared to Kouame's 318 listing – and recovered from a narrow second set defeat to storm level from two sets down, then moving to the verge of victory at 5-3 in the fifth, only for his teenage opponent to break back. The Impact of Kouame's Victory Kouame's victory, achieved in front of a partisan Parisian home support at Roland Garros, has sparked a new Parisian love affair with the young player. His showmanship and swagger suggest a star may just have been born. The Future Outlook With this impressive win, Kouame is set to make a significant impact in the tennis world. His ability to perform under pressure and his exceptional skills on the court make him a player to watch in the future.

Serena Williams, 44, is contemplating a return to the professional circuit at the upcoming Queen’s Club WTA 500 tournament, targeting a doubles wildcard alongside Canadian rising star Victoria Mboko. The plan, confirmed by The Served Podcast, comes after six months in the drug‑testing pool and could reignite global interest in women’s tennis.Williams Targets a Grass‑Court Return with a Doubles WildcardThe former world No. 1 will aim for a wildcard entry in the doubles draw of the second edition of the Queen’s Club event, scheduled to start on 8 June 2026, a day after the French Open concludes. Partnering with Mboko, ranked No. 9 in singles, would give Williams a low‑key re‑entry while still delivering marquee appeal.Key Numbers: Age, Rankings, and Tournament TimelineAge: 44 years oldGrand Slam titles: 23 singles titlesDrug‑testing pool: 6 months completedVictoria Mboko: 19 years old, world No. 9 in singlesEvent start date: 8 June 2026Potential Ripple Effects on Women’s Tennis and Global AudiencesPeers such as Naomi Osaka and Madison Keys have voiced excitement, noting that Williams’ presence historically drives TV ratings and ticket sales. A successful comeback could attract new sponsors, increase WTA 500 event visibility, and inspire younger players worldwide.What a Successful Return Could Mean for the WTA CalendarIf Williams competes and performs well, the WTA may consider more high‑profile wildcard entries for veteran stars, potentially reshaping tournament marketing strategies ahead of the grass‑court season. Conversely, a modest showing would still reinforce her status as a draw‑card, encouraging broadcasters to allocate premium slots for women's matches.

The Tactical Chess Match of Champions League FinalIt would be easy to look at Saturday's Champions League final between Paris Saint-Germain and Arsenal and see it as a battle of attack versus defence, of beauty against pragmatism, of French elan against English doughtiness, as some sort of tussle for the soul of football. But it would not entirely be true. And where, after all, was the honour at Agincourt? In the vainglorious charges of the dashing French cavalry or the stoic defiance of the British archers arrayed, naked from the waist down, behind their defensive stakes?The final promises to be a fascinating tactical contest between two teams with contrasting approaches but complementary strengths. PSG's devastating wings, featuring players like Desiré Doué and Khvicha Kvaratskhelia, will test Arsenal's defensive resolve, while Arsenal's set-piece prowess could provide their route to goal.PSG's Dominant Possession vs Arsenal's Defensive ResilienceThe statistical comparison between the two teams reveals contrasting strengths. In the Champions League this season, Paris Saint-Germain have averaged 63.4% possession, higher than anybody apart from Barcelona; Arsenal's figure is 52.6%, the 11th-highest of the 36 sides who made the league stage. PSG's pass completion has been 89.3% to Arsenal's 85.7% (third-highest to 14th-highest). PSG have scored 44 goals to Arsenal's 29. But on the flip side, Arsenal have conceded six goals to PSG's 22 and won 13.4 aerial duels per game to PSG's 9.4 (sixth-highest to 29th-highest).These figures suggest that PSG will dominate possession, while Arsenal will likely sit deep and look to counter-attack. However, that was not how either leg of the semi-final between the teams last season played out: PSG shaded possession at the Emirates and Arsenal at the Parc des Princes as they chased the game.The Full-Back Dilemma for ArsenalThe biggest danger to Arsenal is probably a counterattack. Most opponents sit deep against PSG, especially in Ligue 1, but the evidence of PSG's wins over Chelsea, Liverpool and Bayern Munich is that they are lethal in transition. Arsenal cannot let Desiré Doué or Khvicha Kvaratskhelia get a run on whoever they have at full-back. Both are rapid, supreme dribblers and terrifyingly direct.Full-back is an issue for Arsenal, especially on the right. Ben White is out with a knee injury and Jurriën Timber is doubtful with a groin problem sustained against Everton in mid-March. Martín Zubimendi started at right-back against Crystal Palace but it would seem more likely that Cristhian Mosquera operates there if Timber has not recovered, if only because he is a more natural defender.Riccardo Calafiori has seemed Mikel Arteta's preferred option on the left. His role will be twofold: to stop Doué and to invert into midfield, particularly out of possession, to try to prevent the counter. It may be that Myles Lewis-Skelly is used ahead of Zubimendi alongside Rice, in part because he is familiar with playing at left-back and so could help double up on Doué, or would be comfortable covering for Calafiori were he caught upfield.Midfield Strategies to Counter PSG's WingsAlthough PSG have scored more goals from non-penalty set plays than Arsenal in the Champions League this season (eight to five), it probably is reasonable to assume that corners and free-kicks offer Arsenal's best chance of a goal. But to counter PSG's midfield dominance, Arsenal may need to embrace a more aggressive approach.The first leg of PSG's semi-final against Bayern was remarkably open, almost basketball-like in its end-to-end attacking. But that should not necessarily be regarded as characteristic. PSG can at times seem a little sloppy, too reliant on their attacking prowess, but their performance away to Bayern, when Fabián Ruiz returned, showed how effective PSG's midfield can be. And that means either that Arsenal have to sit deep and accept PSG will dominate the ball or that they need to ensure their midfield has a destructive edge.Lessons from Previous EncountersChelsea's success against PSG in the Club World Cup final perhaps offers, if not a template, then at least inspiration for how Arsenal can hurt the defending European Champions. Enzo Maresca's approach was asymmetric, using Cole Palmer almost as an inside-right, haunting the channel between Nuno Mendes and the left-sided centre-back while getting in behind the left-back wherever possible.On the left, Marc Cucurella regularly tucked into midfield, just as Calafiori surely will, with Pedro Neto tracking back almost as a wing-back to check Achraf Hakimi's thrusts in support of Doué. If Arteta sees things similarly, that is probably more of a job for Leandro Trossard than Eberechi Eze, who may end up on the bench if Arteta, as he surely must, prefers 4-3-3 to 4-2-3-1.Keys to Victory in Saturday's FinalThere is an irony in this. The stereotype of Arsenal this season has been of a defensive side reliant on set plays, but that is not entirely accurate; rather they are a side whose defensive qualities have been highlighted because of deficiencies of creativity and attacking quality. But to beat PSG, it may be that they have to embrace the narrative and be the side critics say they are.Arsenal's right-back situation remains critical. White links better with Bukayo Saka than any of Arsenal's other full-backs, and Timber is as tactically astute as any player in the squad. Unless Timber is fit, the right-back issue is likely to diminish them from a defensive and an attacking point of view.The final will come down to which team can impose their tactical approach most effectively. Can Arsenal's defense contain PSG's devastating wings, or will PSG's midfield dominance prove too much for Arsenal to handle? The answer will determine who lifts the Champions League trophy on Saturday.