The Turkish Süper Lig has transformed into one of the most volatile and aggressively contested transfer battlegrounds in European football. The top summer 2026 Süper Lig deals highlight a decisive shift in strategy: Turkey’s traditional elite—Galatasaray, Fenerbahçe, and Beşiktaş—are no longer solely seeking aging European veterans on free transfers. Instead, clubs are committing massive transfer fees, competing with Premier League and Serie A clubs, and signing prime-age international stars to drive sustained runs in UEFA competitions.
From Mohamed Salah’s historic free transfer to Trabzonspor to Mason Greenwood’s €39 million blockbuster move to Fenerbahçe and Leandro Trossard joining Beşiktaş from Arsenal, the scale of investment in Turkish football is unprecedented.
Below is the definitive analysis and verified table of the biggest signings, club expenditure patterns, and tactical upgrades shaping the 2026–27 Süper Lig campaign.
Overview: Top Summer 2026 Süper Lig Deals

The summer 2026 Süper Lig transfer window has delivered unprecedented blockbuster deals, headlined by Mohamed Salah’s shock free-agent move to Trabzonspor on a two-year deal worth €17M net annually and Victor Osimhen’s record-shattering €75 million permanent transfer to Galatasaray from Napoli.
| Rank | Player | Position | From | To | Transfer Fee / Status | Key Highlight |
| 1 | Mason Greenwood | Right Winger | Marseille | Fenerbahçe | €39.0M | Marquee €39M signing; 4-year contract |
| 2 | Orkun Kökçü | Central Midfield | Benfica | Beşiktaş | €30.0M ($35M) | Midfield engine returning to Istanbul |
| 3 | Aleksey Batrakov | Attacking Mid | Lokomotiv Moscow | Galatasaray | €25.0M | High-ceiling Russian playmaker |
| 4 | Kerem Aktürkoğlu | Winger | Benfica | Fenerbahçe | €22.5M (+€2.5M add-ons) | Sensational return to Turkish football |
| 5 | Leandro Trossard | Winger / Forward | Arsenal | Beşiktaş | €18.0M ($21M) | Proven Premier League creator |
| 6 | Sidiki Chérif | Forward | Angers | Fenerbahçe | €18.0M | Permanent signing after initial loan |
| 7 | Aral Şimşir | Midfielder | Midtjylland | Trabzonspor | €15.0M | Dynamic Scandinavian midfield talent |
| 8 | Nathan Aké | Center-Back | Manchester City | Fenerbahçe | €10.0M (£8.5M) | Premier League & UCL winner |
| 9 | Romelu Lukaku | Striker | Napoli | Fenerbahçe | €6.0M | 1-year deal with extension option |
| 10 | Mohamed Salah | Winger / Forward | Liverpool | Trabzonspor | Free Transfer | €17M/year landmark package |
| 11 | Dušan Vlahović | Striker | Juventus | Beşiktaş | Free Transfer | Serie A star leading Beşiktaş attack |
Club-by-Club Strategic Analysis

Fenerbahçe: The Aggressive Title Charge
Fenerbahçe delivered the most aggressive window across Europe:
- Mason Greenwood (€39M): The biggest financial commitment of the window. After scoring 37 league goals across two seasons in France, Greenwood provides elite 1v1 threat and lethal finishing on the right flank.
- Romelu Lukaku (€6M) & Nathan Aké (€10M): Securing two proven Premier League icons adds immediate physical dominance in both penalty boxes.
- Kerem Aktürkoğlu (€22.5M): Adding one of Turkish football’s most electrifying wingers back into the domestic league.
Trabzonspor: The Mohamed Salah Revolution
Trabzonspor completed the most sensational free-agent acquisition in Turkish football history:
- Mohamed Salah (Free Agent): Following nine iconic years at Liverpool, the Egyptian maestro joined on a two-year deal worth €17 million per season (including salary, signing fee, and 20% merchandise revenue share). Salah instantly turns Trabzonspor into a domestic powerhouse and global media attraction.
- Aral Şimşir (€15M): Secures vital creative midfield balance to supply Salah on the wing.
Beşiktaş: The High-Profile Premier League & Serie A Rebuild
Beşiktaş answered their rivals by targeting proven European pedigree in 2026 summer window:
- Orkun Kökçü (€30M): A record midfield signing providing leadership, tempo control, and progressive passing.
- Leandro Trossard (€18M): Direct attacking versatility signed from Arsenal to solve wide chance creation.
- Dušan Vlahović (Free): Serie A elite box presence giving Beşiktaş an unstoppable focal point.
Galatasaray: Securing Next-Gen Creativity
Galatasaray’s transfer operations during the 2026 summer window reflect clear ambition: building a squad resilient enough to dominate the domestic league while holding its own against top-tier European opposition.
- Aleksey Batrakov (€25M): The Russian midfield prodigy brings high-volume assist numbers and tactical intelligence to unlock low defensive blocks.
Frequently Asked Questions (FAQs)
What is the most expensive signing of the Summer 2026 Süper Lig window?
The most expensive signing is Mason Greenwood, who moved from Marseille to Fenerbahçe for a fee of €39 million payable across three seasons.
Which club did Romelu Lukaku join in 2026?
Romelu Lukaku joined Fenerbahçe from Napoli on a one-year deal with an option for an additional season for a reported €6 million fee.
Did Leandro Trossard leave Arsenal for Turkey?
Yes. Leandro Trossard signed with Beşiktaş in an €18 million ($21M) deal from Arsenal to reinforce their wide attacking options.
How does the arrival of players like Victor Osimhen and Rafa Silva impact the Süper Lig’s UEFA ranking?
High-profile additions significantly boost the competitive depth of Turkish clubs in European tournaments, increasing Turkey’s UEFA country coefficient and securing direct qualification spots for future Champions League campaigns.
Did Mohamed Salah join Trabzonspor in Summer 2026?
Yes. Mohamed Salah officially joined Trabzonspor on a two-year contract following the expiration of his contract with Liverpool, earning a guaranteed €17 million annual package.
Did Mohamed Salah transfer to Trabzonspor on a free transfer?
Yes, Mohamed Salah joined Turkish Süper Lig club Trabzonspor on a free transfer after leaving Liverpool. Salah signed a two-year contract following the end of his time at Anfield.
Is Victor Osimhen’s move to Galatasaray permanent or a loan?
Victor Osimhen joined Galatasaray on a season-long loan deal from SSC Napoli, making him one of the highest-profile loan signings in Turkish football history without an immediate mandatory buy clause.
Did Romelu Lukaku or Mason Greenwood sign with Fenerbahçe in 2026?
No. Viral graphics linking Romelu Lukaku and Mason Greenwood to Fenerbahçe for the 2026 season are unverified transfer rumors. Lukaku remains tied to Serie A with Napoli, while Greenwood plays in Ligue 1 for Marseille.
Which Turkish club spent the most money during the 2026 summer window?
Fenerbahçe recorded the highest overall expenditure, investing heavily in permanent fees and high-value loan fees for players like Youssef En-Nesyri, Sofyan Amrabat, and Allan Saint-Maximin.
Why are top European and Premier League players moving to the Süper Lig?
Turkish clubs offer guaranteed UEFA competition football, competitive tax structures, and high wage guarantees. With the expansion of European tournament prize pools, clubs like Galatasaray, Fenerbahçe, and Beşiktaş can actively compete for prime-age talent.
