Major League Soccer has never been afraid to spend big — but the figures being thrown around in 2025 and 2026 would have been unthinkable just a decade ago. From David Beckham's headline-grabbing arrival in 2007 to Son Heung-min's blockbuster move to LAFC last summer, the league has undergone a financial transformation that mirrors its growing ambition on and off the pitch.
With the 2026 FIFA World Cup arriving on American soil, MLS clubs have accelerated their investment in marquee talent like never before. Transfer records have been shattered three times in the past 18 months alone. But who are the players at the very top of that list — and did the price tags prove to be worth it?
Here is a definitive, data-driven breakdown of the ten most expensive MLS transfers in the history of the league, covering both players arriving in MLS and those sold out of it.
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1. Jhon Durán — €29.5 MillionChicago Fire FC → Aston Villa | January 2023
The most expensive outgoing transfer in MLS history belongs to a teenager who barely had time to settle in Chicago before European giants came calling. Jhon Durán joined the Fire in January 2023 and within weeks, Aston Villa had activated what remains the league's record outgoing fee: €29.5 million, according to FootballTransfers.
The Colombian striker, who was just 19 at the time of the move, has since become one of the Premier League's most exciting attacking prospects. His time in MLS was a brief launching pad — but it proved that the league is now capable of developing and selling elite-level talent at elite-level prices.
2. Thiago Almada — €27 MillionAtlanta United FC → Botafogo | July 2024
Few players in MLS history have generated as much transfer activity as Thiago Almada. The Argentine midfielder first arrived at Atlanta United from Vélez Sarsfield for €14.6 million in February 2022 — itself a significant fee at the time. Two years later, Brazilian giants Botafogo paid €27 million to take him to South America, making the deal the second-largest outgoing sale in MLS history.
Almada's story is also a testament to Atlanta United's transfer strategy: buy young South American talent, develop them in MLS, and sell for profit. It is a model that has placed the Five Stripes among the shrewdest operators in world soccer.
3. Miguel Almirón — €24 MillionAtlanta United FC → Newcastle United | January 2019
Before Durán and Almada, there was Almirón. The Paraguayan playmaker's move from Atlanta United to Newcastle United in January 2019 sent shockwaves through the soccer world — not because anyone doubted his quality, but because no one expected a Premier League club to spend €24 million on an MLS player.
Almirón had been spectacular during his two seasons in Atlanta, winning MLS Cup in 2018. Newcastle manager Rafa Benítez reportedly pushed hard for the signing, and the fee — confirmed at €24 million by FootballTransfers — represented a watershed moment for MLS's credibility as a talent-developing competition.
4. Heung-min Son — €22 MillionTottenham Hotspur → LAFC | August 2025
When LAFC announced the signing of Son Heung-min from Tottenham in August 2025, it became the most expensive incoming transfer in MLS history at the time — a fee reported at approximately €22 million (around $26 million USD), according to FootballTransfers and confirmed by Sports Illustrated's MLS coverage.
The South Korean captain arrived in Los Angeles as a serial Premier League scorer with over 160 Premier League goals to his name. His decision to choose MLS over offers from Saudi Arabia and other European clubs signalled a shift: MLS is no longer just the final stop for aging stars — it is a genuine destination for players at or near their peak.
5. Emmanuel Latte Lath — €21.3 MillionMiddlesbrough → Atlanta United FC | February 2025
Atlanta United continue to invest heavily in their project, and Latte Lath's arrival from Middlesbrough for €21.3 million in early 2025 underlines their continued ambition. The Ivorian striker was one of the Championship's most consistent performers before making the transatlantic leap.
At 26 years old at the time of signing, Latte Lath represented a different kind of MLS import — not a legend arriving for a final payday, but a player in the prime years of his career choosing MLS as his stage. He has since formed a formidable partnership with Aleksey Miranchuk in Atlanta's attack.
6. Josh Sargent — €18.7 MillionNorwich City → Toronto FC | February 2026
The most recent entry on this list is also one of its most significant from an American perspective. USMNT striker Josh Sargent's move from Norwich City to Toronto FC for a reported €18.7 million in February 2026 became the biggest signing in Toronto's history and one of the largest fees ever paid for an American player returning to MLS.
With the World Cup on home soil approaching in the summer of 2026, Sargent's arrival sent a message: MLS clubs are willing to invest in quality American talent, and that investment can carry narrative weight beyond just the pitch.
7. Taty Castellanos — €18.6 MillionNYCFC → SS Lazio | July 2023
Like Almirón before him, Valentín "Taty" Castellanos used MLS as a springboard to European football's top tier. The Argentine striker had been prolific for New York City FC — finishing as MLS Golden Boot winner in 2022 — before Lazio paid €18.6 million to bring him to Serie A.
His goals and energy in MLS had made him one of the league's most watchable forwards, and his sale reinforced NYCFC's reputation as a club capable of identifying, developing, and profitably selling attacking talent.
8. Ricardo Pepi — €16.4 MillionFC Dallas → FC Augsburg | January 2022
Ricardo Pepi's departure for Augsburg in January 2022 was a record-breaking moment for FC Dallas and for American soccer. The 19-year-old had burst onto the scene with a stunning run of goals for club and country, earning a Bundesliga move worth €16.4 million — the largest fee ever paid for an American player at that point in time.
His time in Europe has had its ups and downs, but the transfer itself remains a landmark: a young American talent, developed entirely in MLS, commanding a fee that forced European clubs to take the league seriously as a talent pipeline.
9. Djordje Petrovic — €16 MillionNew England Revolution → Chelsea | August 2023
Goalkeepers rarely command nine-figure fees, but Djordje Petrovic's move from New England Revolution to Chelsea in August 2023 was exceptional in every sense. The Serbian international had established himself as one of MLS's most commanding shot-stoppers, earning a €16 million move to Stamford Bridge — a fee that represented a significant profit on his original acquisition.
Petrovic's transfer served as further proof that MLS is no longer simply a league for forwards and midfielders — world-class talent in every position is being identified, signed, and developed in the American top flight.
10. Gonzalo Martínez — €16 MillionAtlanta United FC → Al-Nassr FC | September 2020
"Pity" Martínez's story in MLS is defined by potential and then pain. The Argentine attacker arrived at Atlanta United from River Plate for €14.5 million in January 2019, instantly becoming one of the most technically gifted players in the league. His departure to Al-Nassr in September 2020 for €16 million came after a serious knee injury had cut short what promised to be a spectacular career in America.
His sale nonetheless represented a tidy profit for Atlanta and confirmed the club's standing as one of the league's most ambitious and financially sophisticated operators.
The Bigger Picture: What These Numbers Tell Us
The data reveals two unmistakable trends reshaping MLS's identity in the transfer market.
First, the league has evolved from a retirement destination into a genuine talent ecosystem. Players like Durán, Almada, Almirón, Pepi, and Castellanos all used MLS as a launching pad to European football — generating significant fees that clubs can reinvest. That virtuous cycle did not exist ten years ago.
Second, incoming transfer fees are accelerating at an extraordinary rate. Son's €22 million arrival in 2025, Josh Sargent's €18.7 million move to Toronto in 2026, and Latte Lath's €21.3 million signing at Atlanta all reflect a new reality: MLS clubs are no longer signing players European clubs have discarded. They are signing players European clubs wanted to keep.
With the 2026 World Cup generating unprecedented interest in American soccer, the next twelve months may well produce the league's first €30 million-plus incoming transfer. The question is no longer whether MLS can compete financially. The question is how far it can go.
📚 Sources & Data Transparency
- FootballTransfers.com — Most Expensive MLS Transfers of All Time
- Sports Illustrated — MLS Transfers: Total Money Spent in 2026 Winter Window
- FourFourTwo — Ranked: The 10 Most Expensive MLS Transfers Ever
- Yahoo Sports — 10 Most Expensive MLS Transfers of All Time
All transfer fees cited in euros (€) as reported by FootballTransfers.com. Dollar equivalents vary based on exchange rate at time of transfer.