<div>
<p>Transfermarkt Global Insights</p>
<div>
<p>
<img alt="Kevin Lomónaco, Angelo Stiller & Co. - A player to watch during the transfer window from the 20 most valuable leagues worldwide"
src="https://tmssl.akamaized.net//images/foto/galerie/tm-players-to-watch-spotlight-1751357370-171337.jpg"
title="Kevin Lomónaco, Angelo Stiller & Co. - A player to watch during the transfer window from the 20 most valuable leagues worldwide">
</img>
</p>
<p><span></span></p>
</div>
<p>The transfer window is in full effect, with numerous twists expected before it closes on September 1. <em>Transfermarkt</em> is not only the largest football database globally but also a renowned brand, utilized worldwide. With staff on five continents and 27 international domains, we’re leveraging our global expertise this summer to highlight one player to watch from each of the 20 most valuable football leagues as of June 30, 2025.</p>
<br>
<p>
<img alt="" height="629"
src="https://tmssl.akamaized.net//images/foto/newsansicht/most-valuable-leagues-1751038648-171185.png?lm=1751038659"
width="503">
</img>
</p>
<br>
<p>Our international team has focused on players less frequently featured in the media, yet possessing immense potential and attracting international interest. These individuals could be on the move this summer and may become major storylines during the transfer window. From Germany to Greece, Brazil to Saudi Arabia, we present you with <em>Transfermarkt's</em> standout players to watch worldwide.</p>
<br>
<h2>A Player to Watch from Transfermarkt's 20 Most Valuable Leagues</h2>
<br>
<h2><strong>Premier League - Adam Wharton - Crystal Palace</strong></h2>
<br>
<p><em>Transfermarkt UK Content Manager Ben Littlemore:</em> Adam Wharton has seamlessly transitioned from the Championship to the Premier League after joining Crystal Palace in January 2024. The holding midfielder is now an England international, showcasing rare skills, including the ability to maneuver under pressure and execute precise, weighted passes. He’s linked with several top clubs across Europe, including Real Madrid, Man City, and Liverpool. Palace is reportedly seeking around €70 million for his departure.</p>
<br>
<h2><strong>LaLiga - Yarek Gasiorowski - Valencia</strong></h2>
<br>
<p><em>Transfermarkt's Spain Content Manager Iván Fuente:</em> Yarek Gasiorowski is a versatile left-footed defender from Valencia's academy, capable of playing both as a centre-back and left-back. Standing at 1.92m, he excels in aerial duels and is skilled with the ball, often initiating plays from defense. He’s drawing attention from several European clubs, including PSV, Feyenoord, and Sunderland, appealing particularly to those seeking physicality in the Premier League.</p>
<br>
<h2><strong>Serie A - Yann Bisseck - Inter Milan</strong></h2>
<br>
<p><em>Transfermarkt Italy Content Manager Aniello Luciano:</em> Yann Bisseck’s move to Inter has proven effective. He quickly learned Italian, enhancing his communication on the field and preparing him for Simone Inzaghi's demands. While he’s still working towards becoming a top-tier centre-back, his physical attributes and technical skills present significant improvement potential. His recent call-up to the German national team has again caught the attention of Premier League and European clubs.</p>
<br>
<h2><strong>Bundesliga - Angelo Stiller - Stuttgart</strong></h2>
<br>
<p><em>Transfermarkt Germany Editor Lennart Gens:</em> Angelo Stiller is an archetypal strategic defensive midfielder with an impressive passing range. He orchestrates tempo and initiates many attacks. Previously playing a more offensive role, his market value has steadily risen to €45 million, and Stuttgart would likely demand around €50 million if he were to be sold this summer. Despite Stuttgart's mid-table finish, Stiller shone as one of the Bundesliga's best players.</p>
<br>
<h2><strong>Ligue 1 - Bafodé Diakité - Lille</strong></h2>
<br>
<p><em>Transfermarkt France Content Manager Joachim Durand:</em> Bafodé Diakité might not be the most sought-after player in Ligue 1, yet he leads the league's second-best defense and has shown notable performances in the Champions League. At 1.84m, he's agile in one-on-one situations and can also slot in at right-back. His versatility and skills merit the attention of larger clubs, although his age might deter them. Nevertheless, he would be a valuable addition to most Premier League teams outside the 'Big Six'.</p>
<br>
<h2><strong>Brazilian Serie A - Yuri Alberto - Corinthians</strong></h2>
<br>
<p><em>Transfermarkt Brazil Content Manager Thiago Rabelo:</em> As the top scorer in the 2024 Brazilian Championship, Yuri Alberto is one of Brazil's standout talents. While not as young as other prospects, his versatility—playing both as a central forward or on the wing—renders him adaptable to various tactical setups. Following a limited European stint due to the Russia-Ukraine conflict, his strong performances in Brazil have reignited interest from European clubs, particularly as political issues at Corinthians may facilitate his departure.</p>
<br>
<h2><strong>Liga Portugal - Tomás Araújo - Benfica</strong></h2>
<br>
<p><em>Transfermarkt Portugal Area Manager Gonçalo Tristão Santos:</em> Tomás Araújo's emergence this season as a reliable centre-back has been remarkable, occasionally outperforming senior teammate António Silva. Despite some injury setbacks limiting his appearances, he is still linked with high-profile clubs like PSG, Chelsea, and Bayern. If fit, his value could easily elevate to €30-40 million.</p>
<br>
<h2><strong>Championship - Finn Azaz - Middlesbrough</strong></h2>
<br>
<p><em>Transfermarkt UK Content Manager Ben Littlemore:</em> Finn Azaz has been instrumental for Middlesbrough, racking up 23 league goal contributions from an attacking midfield position. He’s under watchful eyes from Premier League clubs like Leeds and Crystal Palace. Although Azaz possesses excellent long-range shooting capabilities, his defensive contributions may need improvement. Boro is reportedly asking for around €22 million.</p>
<br>
<h2><strong>Eredivisie - Souffian El Karouani - Utrecht</strong></h2>
<br>
<p><em>Transfermarkt Netherlands Content Manager Owen van Leeuwen:</em> Souffian El Karouani is an attacking left-back who's demonstrated his prowess by accumulating high tackle and duel win rates throughout the season. With two goals and eight assists to his name, he showcases the perfect blend of defensive reliability and offensive contribution, making him an attractive option for potential suitors. His market value is around €9 million but could range from €10-12 million based on interest.</p>
<br>
<h2><strong>MLS - Diego Luna - Real Salt Lake</strong></h2>
<br>
<p><em>Transfermarkt North America Area Manager Manuel Veth:</em> Diego Luna has emerged as a prominent name in MLS, recently being valued at €8 million. The 21-year-old midfielder from California possesses a sophisticated skill set, drawing comparisons to Marco Reus. With aspirations for a move to Europe, expectations are high for Luna to surpass the €10 million transfer record set by a previous teammate.</p>
<br>
<p><img alt="" height="629"
src="https://tmssl.akamaized.net//images/foto/newsansicht/world-players-to-watch-1-1751356614-171328.jpg?lm=1751356620"
width="503">
</p>
<br>
<p><img alt="" height="629"
src="https://tmssl.akamaized.net//images/foto/newsansicht/world-players-to-watch-2-1751356675-171329.jpg?lm=1751356679"
width="503">
</p>
<br>
<h2><strong>Süper Lig - Rômulo - Göztepe</strong></h2>
<br>
<p><em>Transfermarkt Turkey Area Manager Lara Karacan:</em> Rômulo has showcased considerable potential as a striking talent in the Turkish Süper Lig, combining physical strength with technical acumen. With 15 goals and nearly 10 assists this season, interest around him is growing, despite Göztepe’s firm stance on a €20 million transfer fee. His rapid rise from the second division emphasizes his talent and current demand.</p>
<br>
<h2><strong>Jupiler Pro League - Mario Stroeykens - Anderlecht</strong></h2>
<br>
<p><em>Transfermarkt Belgium Area Manager Bart Tamsyn:</em> At just 20 years, Mario Stroeykens has already made 132 appearances for Anderlecht. Known for his creativity, he emerged as a regular starter after making his debut at 16. Although injuries hindered his progress last season, with Anderlecht in rebuilding mode, a substantial offer could make him available, possibly starting at around €17 million.</p>
<br>
<h2><strong>Argentine Torneo Apertura - Kevin Lomónaco - Independiente</strong></h2>
<br>
<p><em>Transfermarkt South America & Argentina Area Manager Scott Christensen:</em> Kevin Lomónaco is akin to having a player like Sergio Busquets as a centre-back. His ability to control the game from the back, often initiating attacks, has led to his recognition as a top talent in the Argentine League, earning him an MVP title. Interest from Europe is likely, despite prior off-field issues. He is on the radar of the Argentina national team and a significant offer may change his current loyalty to Independiente.</p>
<br>
<h2><strong>Russian Premier Liga - Eduard Spertsyan - FC Krasnodar</strong></h2>
<br>
<p><em>Transfermarkt Russia Area Manager Georgiy Lekarev:</em> Eduard Spertsyan, a leading player for FC Krasnodar, stands out in the Russian Premier League with his technical skills, versatility, and powerful striking ability. Clubs from Ligue 1, the Premier League, and others are showing interest, and Krasnodar is open to transferring him for around €15 million amidst ongoing international sanctions.</p>
<br>
<h2><strong>Saudi Pro League - Musab Al-Juwayr - Al-Hilal</strong></h2>
<br>
<p><em>Transfermarkt Asia Area Manager Tiberius Radziejewski:</em> Musab Al-Juwayr has emerged as a bright prospect in Saudi football, showcasing skills that initiated a rise in his market value from €900k to €4 million. With Al-Hilal's current setup offering stiff competition, his development under a new coach could speak volumes about his future, potentially leading to a European move if opportunities remain limited domestically.</p>
<br>
<h2><strong>Liga MX Apertura - Elías Montiel - Pachuca</strong></h2>
<br>
<p><em>Transfermarkt North America Content Manager Osvaldo González Camacho:</em> At only 19, Elías Montiel has exceeded 5,000 minutes in Mexico’s top league, shining in crucial matches. As a defensive midfielder, his standout performances in international competitions have caught attention, leading to potential suitors like Ajax and Braga watching closely. Valued at €5 million, his trajectory looks bright, especially following his strong Club World Cup showing.</p>
<br>
<h2><strong>Bundesliga 2 - Taylan Bulut - Schalke</strong></h2>
<br>
<p><em>Transfermarkt Germany Editor Lennart Gens:</em> Taylan Bulut is an athletic right-back who offers flexibility within defensive setups. At 19, there’s immense room for growth. With Schalke facing financial pressures, a transfer could materialize for around €5 million. His impressive performances amid a challenging season have made him a fan-favorite at the club.</p>
<br>
<h2><strong>Serie B - Gianluca Busio - Venezia</strong></h2>
<br>
<p><em>Transfermarkt Italy Content Manager Aniello Luciano:</em> With Venezia's relegation, Gianluca Busio's future is uncertain as he contemplates a move to compete at a higher level. His profile appeals to several clubs in Italy, and as a USA international at 23, he is poised for a new experience following four years with the club.</p>
<br>
<h2><strong>LaLiga 2 - Luis Suárez - Almería</strong></h2>
<br>
<p><em>Transfermarkt Spain Area Manager Iván Turmo:</em> Luis Suárez’s impressive season in LaLiga 2 saw him finish as the top scorer. His performance has attracted attention from multiple clubs, and Almería is poised to benefit financially from his potential sale this summer, possibly as high as €100 million. However, practical discussions could start around €25 million as the club seeks funds.</p>
<br>
<h2><strong>Greek Super League - Christos Mouzakitis - Olympiacos</strong></h2>
<br>
<p><em>Transfermarkt Greece Area Manager Nikos Sofis:</em> Christos Mouzakitis is a technically skilled player with great composure and exceptional passing abilities for his age. He’s received interest from major European teams, and Olympiacos views him as a key prospect with significant potential. His performances this season have also resulted in him representing Greece at the national level.</p>
</div>