Top 10 Bundesliga Transfers This Summer

Bayern Munich and Bayer Leverkusen led an active Bundesliga transfer market this summer, with Borussia Dortmund also making bold moves for Greek talent. Several clubs cashed in on academy graduates while reinvesting heavily elsewhere. Below are the ten biggest confirmed Bundesliga transfers, ranked by fee, all figures given in euros.

Nathaniel Brown: Eintracht Frankfurt to Bayern Munich

Bayern Munich completed a homecoming signing for Germany international Nathaniel Brown, returning him to his home region of Bavaria. The transfer is worth €55 million including bonuses, split into a €50m fixed fee and €5m in performance add-ons. Brown made 75 appearances for Frankfurt, impressing directly against players like Lamine Yamal and Florian Wirtz. He has signed a long-term contract running until 2031.

Ismael Saibari: PSV Eindhoven to Bayern Munich

Bayern Munich moved quickly to sign World Cup breakout star Ismael Saibari from PSV Eindhoven. The deal is worth €50 million, potentially rising to €52 million with bonuses. Saibari scored 42 goals and provided 29 assists during his time in the Netherlands, winning three Eredivisie titles. He has signed a five-year contract until June 2031.

Guela Doué: RC Strasbourg to Bayer Leverkusen

Bayer Leverkusen signed Ivory Coast full-back Guela Doué, older brother of PSG star Désiré Doué, to fill their right-back void. The agreement is worth €30 million fixed, with the total package potentially rising to €37.5 million through bonuses. Doué joined Strasbourg from Rennes for just €6m two years ago before establishing himself as a regular starter. He has signed a five-year contract running until June 2031.

Konstantinos Karetsas: Genk to Borussia Dortmund

Borussia Dortmund signed highly-rated Greek teenager Konstantinos Karetsas to add creativity in midfield. The deal is reported at €30 million plus €2 million in bonus payments, taking the total close to €32m. The 18-year-old provided 11 assists in the Belgian top flight last season. He has signed a five-year contract running until June 2031.

Afonso Moreira: Olympique Lyon to Bayer Leverkusen

Bayer Leverkusen added young Portuguese winger Afonso Moreira after an impressive breakout season in Ligue 1. The reported fee is 30 million euros plus bonuses, with Lyon able to receive up to €33.6m in total. Moreira scored eight goals and set up 11 more in 37 appearances for Lyon last season. He has signed a contract through June 2031.

Moussa Diaby: Al-Ittihad to Bayer Leverkusen

Bayer Leverkusen brought back French winger Moussa Diaby three years after selling him to Aston Villa. The transfer fee is reported at around 30 million euros, a fraction of the €55m Leverkusen originally received for him. Diaby scored 49 goals in his first spell at the BayArena between 2019 and 2023. He has signed a five-year contract running until 2031.

Giannis Konstantelias: PAOK to Borussia Dortmund

Borussia Dortmund moved quickly to sign Greek playmaker Giannis Konstantelias after a rival deal for Said El Mala collapsed. The fee is set at €26 million guaranteed, plus €6 million in add-ons, taking the realistic package closer to €30-32m. Konstantelias represents the biggest transfer in PAOK's history despite fierce fan protests over the move. He has signed a contract running until 2030.

Miguel Gutiérrez: Napoli to Bayer Leverkusen

Bayer Leverkusen signed Spanish left-back Miguel Gutiérrez as a direct replacement for Alejandro Grimaldo. Leverkusen will pay a guaranteed base fee of approximately €26 million, with bonuses potentially raising the total package to around €30 million. Gutiérrez made 36 appearances for Napoli after joining from Girona a year earlier. He has signed a five-year contract until 2031.

Dzenan Pejcinović: VfL Wolfsburg to VfB Stuttgart

VfB Stuttgart completed a lengthy pursuit of striker Dzenan Pejcinović following Wolfsburg's relegation. The fee is reported at 25 million euros, making him the second most expensive signing in Stuttgart's history behind Deniz Undav. Pejcinović scored 12 goals for Wolfsburg last season despite their relegation. He has signed a contract running until June 2031.

Maxime Estève: Burnley to RB Leipzig

RB Leipzig signed French centre-back Maxime Estève after Burnley's relegation from the Premier League. The club-confirmed fee is a reported €25 million transfer fee, though some reports suggest the total package could reach €32m with bonuses. Estève made the PFA Championship Team of the Year during Burnley's promotion campaign. He has signed a contract running until 2031.