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The Need for Research in Women's Rugby Women's rugby has experienced significant growth, with female players now making up a quarter of players worldwide. However, this surge in popularity has not been matched by sufficient research into the long-term health risks associated with the sport, particularly the effects of repetitive head impacts. The Study's Approach Researchers from Cardiff University's school of engineering and brain research imaging center are working with the university's female rugby team to gather data on head impacts. The study involves: Instrumented mouth guards to track impacts Cognitive tests MRI scans Computer modeling This comprehensive approach aims to provide the first academic insights into the relative long-term risks of female contact sport. The Gender Gap in Sports Research The study highlights a significant gap in sports science research, where female athletes are underrepresented. An audit in 2020 found that only 6% of sports science research focused on female athletes. This gap is particularly concerning given the growing popularity of women's sports. The Potential Impact The findings of the study, expected to be published by the end of 2026, could have significant implications for women's rugby. The goal is not to dissuade women from playing rugby but to provide them with informed knowledge about the risks. This could lead to better safety measures and protective equipment tailored to female players. The Future of Women's Rugby Safety The research aims to contribute to a safer environment for women in rugby. By understanding the effects of head impacts on female players, the study could pave the way for: Improved safety protocols Enhanced protective gear Informed decision-making for players Ultimately, the study seeks to ensure that women and girls can enjoy the sport while minimizing potential long-term health risks.

Iran Secures FIFA Approval to Relocate World Cup Camp to TijuanaIran will base its squad in the Mexican border city of Tijuana for the 2026 World Cup after FIFA approved the request to move the training camp from Arizona. The announcement was made by Mehdi Taj, president of the Iran Football Federation, in a video posted on Telegram.Logistics of the New Training Base in TijuanaThe camp is situated near the Pacific Ocean and directly on the Mexico‑United States border, allowing the team to fly directly to Mexico with Iran Air. The move is intended to avoid visa‑related complications stemming from the ongoing US‑Israel conflict.Travel Time and Distance Savings for Group G MatchesIran’s first two Group G games are in Los Angeles (vs New Zealand on June 15 and vs Belgium on June 21). The distance from Tijuana to Los Angeles is roughly a 55‑minute flight, considerably shorter than the route from Arizona. This reduction in travel time is expected to lessen fatigue and logistical costs.June 15 – vs New Zealand in Los AngelesJune 21 – vs Belgium in Los AngelesJune 26 – vs Egypt in SeattleGeopolitical and Visa Implications of the RelocationThe shift addresses the fact that Iranian players and staff had not received US visas less than a month before the tournament. By positioning the camp in Mexico, Iran can bypass US entry requirements while still competing in US venues. FIFA was asked to guarantee visas, security, and fair treatment of the delegation.What the Move Means for Iran’s World Cup ProspectsWith a closer base and fewer travel hurdles, Iran may arrive better prepared for its group matches, potentially improving performance against New Zealand, Belgium, and later Egypt in Seattle on June 26. Analysts suggest the logistical advantage could translate into a more cohesive squad heading into the tournament.

The Lead: Spygate Fallout at WembleyKim Hellberg lamented the recent spygate saga as the "toughest two weeks" of his life after his reinstated Middlesbrough side missed out on Premier League promotion at Wembley. Boro became the first team in Football League history to be defeated in both the playoff semi-final and final, after his team replaced Southampton, who were thrown out of the competition for spying on rivals' training sessions.The Championship Final DramaHull's 1-0 win, courtesy of Oli McBurnie's injury-time goal, returned them to the Premier League after a nine-year absence, with Hellberg left to rue a "rollercoaster" for his Middlesbrough side. "It has been tough," he said. "It's been draining emotionally. But there is no excuse. Hull scored a goal today and you have to congratulate them. We were ready to play the game. It's been two heartbreaking losses in one week. When the game ends you feel very empty."The Spygate ControversySergej Jakirovic had described his Hull team as "collateral damage" in a spying episode in which they played no part. Having prepared to face Southampton for a week, he had to switch plans a few days before the final. Nonetheless, he insisted he saw the funny side of a saga that means Southampton begin next season with a four-point deduction."When I heard for the first time, I start to laugh because what you can spy?" he said. "To send a guy to do this, I don't understand."Hull's Unexpected JourneyHull's promotion came just a year after avoiding relegation to League One on goal difference, and operating with a two-window transfer fee embargo that left them able to sign only free agents. Concentration will now turn to the Premier League and how to avoid the instant relegation they experienced last time they played in the top flight."We will try to add better players than we have right now," said Jakirovic. "But I think these main players who bring us to the Premier League can stay and help us as well. We just have to add better players than we have. Sunderland's recipe is great because they brought dynamic players with pace and speed. I'm ready for everything. We have a nice budget. We will see."

The Growing Threat of Spyware Attacks Spyware attacks on journalists, human rights defenders, and political dissidents are no longer rare or exotic. In early 2025, WhatsApp notified roughly 90 users — many of them journalists and civil society members across Europe — that they had been targeted by Israeli spyware company Paragon Solutions. Months later, Apple sent threat notifications to a new group of iOS users; forensic analysis confirmed two of them, both journalists, had been hit with Paragon’s Graphite spyware using a zero-click attack, meaning they didn’t even have to tap a link to be compromised. How Spyware Works and What It Can Do These attacks rely on expensive, sophisticated, and stealthy tools that allow their operators to hack into and install spyware on computers, but especially smartphones, which hold virtually all of the data about a person’s daily life. Spyware gives its operators virtually full access to the target’s device and data. Government spies can record phone calls, steal chat messages, access photos, and switch on the device’s camera and microphone to record ambient sound and record nearby conversations. Spyware also typically tracks a person’s real-time location. Tech Giants Offer Opt-in Features to Counter Spyware In response to these attacks, tech giants now provide their users with better defenses. In particular, Apple, Google, and Meta offer opt-in features specifically designed to counter targeted spyware attacks. Generally speaking, these features add extra protection, sometimes by turning off or limiting some regular features. It’s a tradeoff, but having used these myself for a long time, I have never found them to be too onerous or annoying to use. Apple's Lockdown Mode Apple’s Lockdown Mode is available on all Apple devices, including iPhones. Apple says that when Lockdown Mode is enabled, “your device won’t function like it typically does.” In exchange for this inconvenience, your device will be more secure. There is evidence that Lockdown Mode has helped in the past. Citizen Lab found that Lockdown Mode stopped one spyware attack carried out with NSO Group’s Pegasus software. As recently as March, Apple said it has never detected a successful attack on an Apple device with Lockdown Mode enabled. Google's Advanced Protection Program Google launched its Advanced Protection Program in 2017. This feature is designed to make your Google account more resilient against malicious hackers of all kinds. Advanced Protection Program includes the following features: Requires a physical security key (or a software passkey) as an additional verification factor apart from your passwords. Adds a recovery phone and a recovery email to your account, or uses a backup passkey or security key. WhatsApp's Strict Account Settings WhatsApp launched Strict Account Settings earlier this year, an opt-in feature that switches on some privacy and security controls depending on the operating system. On Android and iOS, Strict Account Settings turns on the following features: Two-step verification. Account protection. The Future of Spyware Protection No security measure is perfect, and it’s a constant effort to keep security flaws at bay. Spyware makers find new ways to hack into phones and services, then software makers learn from those attacks and respond. Rinse and repeat. But that doesn’t mean these features are not worth using. On the contrary; these features have been proven effective. “These features are free, easy to enable, and the best defense we have today against sophisticated spyware,” said Runa Sandvik, a security researcher who has worked to protect journalists and other at-risk communities for more than a decade. “If the features get in the way of something you need to do, you can easily turn them off again — meaning it costs very little to turn them on and try them out.”

Raducanu's Comeback Journey Begins at Roland GarrosEmma Raducanu is hopeful her health issues are behind her as she prepares for her opening match at the French Open. The British No 1 takes on Argentina's Solana Sierra in the first round on Sunday in what will be just her second match since March following two-and-a-half months out with a post-viral illness.She lost a close contest with Diane Parry in her opening match in Strasbourg this week but feeling healthy again is the most important thing for the 23-year-old. "I feel a lot better," she said."I thought I'd completely flipped it. I think there's just been a little bit of a lingering cough recently. But I feel, health-wise, really good. I played a really positive match last week in Strasbourg in the sense it was over two hours, and I think physically I pulled up really well from it. So I'm happy to take that and build from it."Challenges of an Unseeded ReturnRaducanu's absence meant she dropped out of the top 32 and is therefore unseeded in Paris. She avoided the big names but the 21-year-old Sierra, who is ranked 64th, is very at home on clay, while she made a surprise run to the fourth round of Wimbledon last year.Raducanu said: "She's a great player. It's going to be a really tricky first round, especially coming in light on matches, but I'm just proud of how I'm approaching every day, proud of the work I'm putting in."I know I'm going to have to play really good tennis and be aggressive. I feel like the conditions are pretty lively so far in the practice days, as the weather is hot, but I think that could be a good thing. I just want to go out there and try and play on my terms as much as I can."British Contenders Face Physical HurdlesWith Jack Draper sidelined through injury, Cameron Norrie appeared to be the best hope of a deep British run but the 20th seed revealed he is struggling with a rib injury."I haven't been able to hit yet since I've arrived here, so just been enjoying Paris and resting," he said. "But I think I needed the rest, so maybe it's a good thing. I really know that I'm feeling the ball well. Luckily I'm scheduled on Tuesday, so I have some time to recover. Hopefully I can be good to play."Norrie, who takes on Paraguay's Adolfo Daniel Vallejo first up, admitted he may have over-trained, including playing a five-set training match against American Ben Shelton lasting nearly five hours.Other British Players Face Tough TestsThere are six British players in the main draws, with Norrie joined in the men's singles by Jacob Fearnley and qualifier Toby Samuel. Fearnley has also been battling a rib problem this season and has struggled to back up his stellar first season on tour, winning just seven matches all year. He has the carrot of a second-round clash with world No 1 Jannik Sinner if he can see off Juan Manuel Cerundolo.The 24-year-old, who has started working with Andy Murray's former fitness trainer Matt Little, said: "I did go up the rankings pretty fast and maybe just didn't have the time to really reflect on it and appreciate it for what it was. And maybe got too far ahead of myself. Life in general, there's ups and downs, and just on a little bit of a down right now, but no reason why I can't get back up."Samuel faces the eighth seed, Australia's Alex De Minaur, in his first grand slam appearance while, in the women's draw, Katie Boulter plays wild card Akasha Urhobo and Fran Jones meets former semi-finalist Beatriz Haddad Maia.

The Shift in Elon Musk's Energy Strategy Has Elon Musk given up on Tesla’s Master Plans, on the electrified economy, on solar power as we know it? From the SpaceX IPO filing released this week, it sure seems like it. Musk's Changing Approach to Renewable Energy Tesla has released four Master Plans over the years, and while details have varied, the through line has been electrification of the economy. Musk put it best in his first edition: “the overarching purpose of Tesla motors…is to help expedite the move from a mine-and-burn hydrocarbon economy towards a solar electric economy.” The Rise of Fossil Fuels in xAI's Data Centers But recently, one of Musk’s companies, xAI, has embraced the mine-and-burn hydrocarbon economy, using dozens of unregulated natural gas turbines to power its data centers with plans to buy $2.8 billion more, effectively cementing the fossil fuel’s role in the company’s AI operations. Space-Based Solar Power: The Future or a Distraction? Solar power isn’t missing in the SpaceX filing, it’s just all concentrated on space, which the company touts as the future of data center power. Terrestrial solar garners a few mentions — not as a power source for xAI data centers but instead to show how much better SpaceX thinks space-based solar will be. The Challenges of Space-Based Data Centers Even if SpaceX is able to bring down the cost of boosting a data center into orbit, the economics are challenging at best. Power prices for Starlink satellites are multiples higher than what a terrestrial data center typically spends, and protecting chips from the rigors of space won’t be easy or cheap. The Future of AI Compute and Energy Demand It’s likely that Musk considers xAI’s current data centers as stopgaps, that once SpaceX is able to loft gigawatts worth of servers into orbit — probably just a few years away, in his mind — he’ll scrap what’s here on the ground, natural gas turbines included and not have to think about NIMBYs anymore.

The Rise of a New Spanish Tennis StarSpain is at it again. Just when tennis enthusiasts thought the Spanish dominance in men's tennis might be waning after Rafael Nadal's retirement, a new sensation has emerged. Rafael Jodar, the 19-year-old from Madrid, has completed a meteoric rise from being ranked around No. 700 in the world to becoming a seeded player at the French Open in just over a year. This unprecedented ascent has thrust him into the grand slam-winning conversation, adding to Spain's embarrassment of riches in men's tennis.The Jodar Phenomenon: From College Courts to Grand Slam ContenderJodar's journey is remarkable. A year ago, he was completing his freshman year at the University of Virginia, ranked outside the top 700. After winning several ATP Challenger titles, he decided to turn pro and forgo his final three years of college eligibility. He won his first main-level ATP match at this year's Australian Open, and now, after an almost unprecedented rise up the rankings, the 19-year-old will be among the 32 seeds when the French Open commences.Ironically, Jodar has stolen the mantle of the "next future champion" hype away from Brazilian João Fonseca, also 19, who was committed to play college tennis at Virginia with Jodar but instead decided to turn pro. One can only wonder if that college team, had it materialized, would have been among the best ever.Spain's Tennis Dynasty: Three Decades of DominanceTo have yet another player thrust into the grand slam-winning conversation adds to the utter embarrassment of riches Spain has enjoyed for more than three decades. Starting with Sergi Bruguera's back-to-back French Open titles in 1993 and 1994, Spanish men have enjoyed a nearly uninterrupted run of dominance with six different players winning grand slams.Consider this timeline of Spanish tennis excellence:1993-1994: Sergi Bruguera wins back-to-back French Open titles1998-2003: Carlos Moya wins French Open (1998) and reaches multiple other finals2003-2014: Rafael Nadal wins 14 French Open titles and 22 major championships overall2022-Present: Carlos Alcaraz wins 7 major titles, including his first at the 2022 US Open2026: Rafael Jodar becomes the latest Spanish player to be seeded at a grand slamThe only Open-era analog that comes to mind is Sweden's moment in the sport in the 1970s and 80s, with Björn Borg, Mats Wilander, and Stefan Edberg dominating men's tennis.The Spanish Method: Beyond Clay Court SpecialistsWith his ferocious hitting and aggressive posture constructing points, Jodar continues to put a nail in the coffin of the notion that Spanish players are primarily clay-court specialists. Nadal was unfairly burdened with the "he's great but only on clay" label very early, but his Wimbledon triumph in 2008 proved he could play on all surfaces. Alcaraz burst onto the scene as a fully formed all-court player, and now Jodar appears to be following in their footsteps.So how did Spain become such a powerhouse in the men's game? Many trace the origin story back to the early 1970s. The country's dictator Francisco Franco, inspired by Manolo Santana, the first Spaniard to win a grand slam, ordered the construction of thousands of red clay courts throughout Spain, literally building the infrastructure that laid the groundwork for what was to come.The Six Tenets of Spanish Tennis ExcellenceThough it took a generation, the coaching techniques and training regimens put in place 50 years ago in Spain have now become standard practice for players from around the world. The two coaches who were most instrumental in developing the Spanish brand of men's tennis in the 1980s and early 1990s were Pato Alvarez (now deceased), and Lluis Bruguera (the father of the aforementioned Sergi), who is in his 80s and still coaching.Both based in Barcelona, they developed a style of coaching that Chris Lewit, author of the book "The Secrets of Spanish Tennis," narrowed down to six tenets:Movement, footwork and balanceRacket speed and weapon buildingConsistencyDefensePhysical conditioningThe importance of sufferingThe Philosophy of Suffering: The Spanish Mental EdgeIt is this act of suffering, of fighting through and retaining a positive mental outlook in the midst of the mini-crises that exist in every match, that is the most significant throughline among all the recent Spanish champions. Nadal famously said that "you have to learn how to live with these kind of moments, and also to enjoy this suffering". Alcaraz echoed that with his view that "you have to find the joy in suffering".While Nadal was coached at home in Mallorca with his Uncle Toni and Alcaraz in an academy setting under his former coach Juan Carlos Ferrero, the hallmarks of Spanish tennis seamlessly moved from one generation to the next. This focus on the "suffering" and on the point construction has allowed the transition away from the clay-only successes of Bruguera to the all-court prowess that Alcaraz and now Jodar possess.It is this generational hand-off of not just the physical attributes and strategies necessary for triumph but the mental fortitude that is apparent with Jodar. Speaking of Nadal, Jodar said, "He was, I think, the best mentality wise. He never gave up in a match. He stayed there for every moment that the match was bringing him and tried to play his best tennis with the things he was doing throughout those days. I think watching him inspired me when I was younger."Global Influence and the Changing Nature of TennisIf the Spanish method has been such an incredible success then why haven't more countries followed their lead? Many countries and players already have tried. A teenaged Andy Murray became so inspired by the Spanish style that he spent significant time training in Barcelona under the tutelage of Alvarez, and he has spoken of how huge an impact those years in Spain had on his development into a three-time grand slam champion.Jose Higueras, a former Spanish pro who was one of the first players to emerge under the new Spanish system in the 1970s, imported much of the program to the United States when he started working with US pros in the 1990s. He wanted to bring that clay-court attitude to the American style of play, which was usually focused on a big serve and forehand. And it yielded immediate results. Higueras coached Michael Chang to his sole grand slam title at the 1989 French Open and then worked with Jim Courier as the coach played a pivotal role in the last golden era of American tennis.One can implement all the correct protocols and latest methods, but it's all for naught if the attitude and, more importantly, talent isn't there. Some is ingrained; some is just luck. Spain has been blessed with Nadal and Alcaraz, two extraordinary athletic specimens with an unusual combination of strength and reflexes. And in addition to Jodar, 20-year-old Martin Landaluce is another Spaniard on the rise making significant noise.The sport – much to the chagrin of the old-school traditionalists who prefer a serve-and-volley style – has also changed over the last few decades into a slower game with the more homogenous court speeds. Gone are the fast grass courts of years past. Most hard courts have been slowed down, creating the perfect conditions for the Spanish style to thrive.The Future of Spanish Tennis: A Conveyor Belt of ChampionsWhatever the reasons for their dominance, the Spanish conveyor belt of champions shows no sign of slowing down. With Jodar joining the ranks of Nadal and Alcaraz, and with Landaluce also making noise, Spain's tennis dynasty appears set to continue. The Spanish method – emphasizing movement, consistency, defense, physical conditioning, and most importantly, finding joy in suffering – has proven to be a winning formula that has produced multiple generations of champions.As Jodar prepares for his French Open debut as a seeded player, tennis fans around the world will be watching to see if he can continue the Spanish tradition of excellence. One thing is certain: Spain's school of suffering has forged yet another star, and the tennis world will be better for it.

Tracker Mortgages Resurge Amid Rate Uncertainty After a period of dominance by fixed‑rate products, tracker mortgages are seeing a renewed surge in applications. Brokers report that April applications were more than three times March’s volume, signalling that borrowers are reconsidering a loan whose interest moves with the Bank of England base rate. Rate Comparisons Show Trackers Cheaper Than Fixed Deals Bank of England base rate: 3.75% (held steady at the end of April). Worst‑case scenario: base rate could climb to about 5.25% by early 2027. Cheapest two‑year fixed rate: around 4.55%. Cheapest two‑year tracker rate: about 3.96%. Monthly cost on a £250,000, 20‑year mortgage – fixed: £1,588; tracker: £1,510 (≈£78 cheaper). Typical arrangement fees for trackers: £900‑£1,000; some deals (e.g., Halifax) add a £1,499 product fee. What the Tracker Revival Means for UK Borrowers and Lenders Trackers offer flexibility: many have no early repayment charge, allowing borrowers to switch to a fixed deal if rates fall or if a better fixed offer appears. Lenders such as Halifax and Nationwide currently provide fee‑free tracker products, while others like NatWest may impose charges. However, the upside comes with risk. If the base rate follows the Bank’s worst‑case path, a tracker could rise to roughly 5.46%, erasing the monthly saving and leaving borrowers exposed to higher payments. Future Outlook: Rate Movements and Mortgage Strategy Analysts suggest that the trajectory of the base rate will hinge on the resolution of the Iran conflict and its impact on oil‑driven inflation. If inflation eases, the Bank may keep rates at 3.75% for the remainder of the year; otherwise, incremental 25‑basis‑point hikes are likely. Borrowers with strong cash cushions and the ability to absorb a few rate increases may find trackers attractive as a short‑term holding position. Those with tighter budgets or low risk tolerance are advised to lock in a fixed rate for certainty. In the longer term, the mortgage market could see a more balanced mix of products, with lenders adjusting early‑repayment charge policies and fee structures to remain competitive as borrowers navigate an uncertain rate environment.

The Familiar FinalYou could be forgiven for having a sense of deja vu before a fourth Champions League final between the Spanish champions, Barcelona, and French champions, Lyonnes, on Saturday evening.The three-time champions and eight-time champions played each other in the final of Europe's premier competition three times in six years between 2019 and 2024, with Lyonnes earning a 4-1 win over the Catalan giants in 2019 and a 3-1 win in 2022 before Barcelona delivered a 2-0 defeat of the French side in 2024.However, predicting the outcome could not be harder and Barcelona's talismanic No 11, Alexia Putellas, said there is little that can be discerned from those previous meetings. "We can't compare seasons and we can't compare finals," said the two-time Ballon d'Or winner. "Our squad has evolved a lot, so previous finals don't have an influence on the final we are playing tomorrow."The Tactical Chess MatchA lot has changed. Most notably, Lyonnes are now managed by Jonatan Giráldez, who was a coach at Barcelona as they claimed their maiden UWCL title and at the helm for their second and third. Few managers are better equipped to return Lyonnes to the top of European football after a three-year hiatus than the man who understands the way Barça work and exactly how they ended the domination of the French side.As a result, the tactical approach of those on the sidelines is perhaps the most interesting piece of the puzzle in Oslo's Ullevaal Stadion.Giráldez said of Barça's development since he left: "They have some different players but their identity remains the same; this will to dominate and apply pressure. Not thinking about the result as much as about the show and the performance, that's their identity. I feel privileged to face Barcelona as I'm grateful for the experience I had there and I wish them the best – except when we have to win!"Master and ApprenticeOne of Giráldez's two assistants, Pere Romeu, replaced him when he departed for Washington Spirit in June 2024. "We are the two teams that have done the most in this competition to reach the final in recent years," said Romeu. "Tomorrow is going to be a very demanding match. Tomorrow is going to be a match with a lot of quality from both teams. Tomorrow is going to be a match that, as in all finals, is going to be decided by small details. We are going to try to take care of and control it to the maximum."The 32-year-old Barcelona manager won a domestic treble in his first season in charge, but fell short in the Champions League final last season as Arsenal delivered a shock defeat."I see a team that is more mature than last season," said Romeu. "I see a team with greater capacity to change things during the game than last season and I think we have reached a good point."Putellas described Romeu as a "complete coach", before the showdown on Saturday. "We've been working together for several seasons now and he has always tried to help me evolve as a player, which I'm very grateful for," she said. "He's the most complete coach. This season I've tried to do the best I possibly can without forgetting my own qualities in order to help the team."Romeu is relishing the master-apprentice battle in such a significant game. "I, as a coach, am super-excited to be able to face this match against a former coach of the club in Jonatan," he said. "I'm sure we'll both do everything we can to keep our teams' identities and keep doing the best we can to win."Dominate DomesticallyBarcelona secured another domestic treble on Saturday with a 3-1 Copa de la Reina final win over Atlético Madrid in their final game before travelling to Norway. Meanwhile, Lyonnes are one game away from their own domestic treble, having dispatched Nantes with an emphatic 8-0 win in the semi-final of the Premiere Ligue play-offs, with the final between the holders and Paris FC, taking place next Friday.The Lyonnes midfielder Lily Yohannes told Uefa that the club "just have so much hunger in us," after their three-year European dry spell. "We have so much fight. No matter what happens, we stick together, we rise above the challenges, and we just have such a winning mentality in the group."The 35-year-old centre-back Wendie Renard, who has been involved in each of the club's record eight Champions League wins, similarly spoke about a togetherness and desire in the team after a disappointing European run last season."If I had to sum up our journey this season: dedication," she told Uefa. "A Champions League campaign never comes easy, from one game to another. We've also had doubts and fears at times, but the squad has remained strong, and we've kept focusing on work and humility and performed well together."The Midfield BattleThe midfield battle will be key, with the impact of Melchie Dumornay, who was the difference maker in their semi-final fightback against Arsenal, critical for Lyonnes and Barcelona unsure of the readiness of the three-time Ballon d'Or winner Aitana Bonmatí, who is "feeling better every day", according to Romeu, but has not played 90 minutes for the team since November and only played 18 minutes of the Copa de la Reina final.Contrasting StylesThe Champions League final will ultimately be a contest between two different ways of playing, Barcelona's slick tiki-taka football and the more aggressive way Lyonnes play. Both cannot dominate possession in this game, one will have to cede it and find a different way to win. That is what makes it an enthralling fixture.