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Galatasaray sets eyes on Porto’s Diogo Costa

Diogo Costa of Portugal in action during UEFA Nations League Group A1 match between Portugal and Croatia at Estadio da Luz in Lisbon, Portugal, Sep. 5, 2024. (AFP Photo via Goal)
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Diogo Costa of Portugal in action during UEFA Nations League Group A1 match between Portugal and Croatia at Estadio da Luz in Lisbon, Portugal, Sep. 5, 2024. (AFP Photo via Goal)
August 12, 2025 04:46 PM GMT+03:00

Galatasaray have moved decisively in their search for a new first-choice goalkeeper, making an official €20 million ($22.25 million) offer to Porto for 25-year-old Diogo Costa. Talks between the two clubs are ongoing as the Turkish champions aim to complete the deal swiftly.

Following the departure of Fernando Muslera, Galatasaray has been linked with several high-profile goalkeepers.

In the Super Lig opener against Gaziantep FK, Gunay Guvenc started between the posts, but the club’s management is pushing to secure a long-term solution before the transfer window closes.

Portugal's goalkeeper #22 Diogo Costa saves a penalty shot by Slovenia's defender #03 Jure Balkovec (unseen) during a penalty shout-out during the UEFA Euro 2024 round of 16 football match between Portugal and Slovenia at the Frankfurt Arena in Frankfurt am Main on July 1, 2024. (AFP Photo)
Portugal's goalkeeper #22 Diogo Costa saves a penalty shot by Slovenia's defender #03 Jure Balkovec (unseen) during a penalty shout-out during the UEFA Euro 2024 round of 16 football match between Portugal and Slovenia at the Frankfurt Arena in Frankfurt am Main on July 1, 2024. (AFP Photo)

Diogo Costa tops the list

According to Turkish media reports, Diogo Costa has now emerged as the leading candidate. The Porto academy graduate has been a mainstay for the Portuguese side since 2019, making 276 appearances and keeping 110 clean sheets.

He has conceded 267 goals in that time and remains one of the most highly regarded keepers in world football.

Costa’s market value stands at €40 million, placing him in joint-first position among active goalkeepers alongside Gianluigi Donnarumma (PSG), David Raya (Arsenal) and Gregor Kobel (Borussia Dortmund). Porto, however, is reluctant to part with their star, creating a challenging negotiation process for Galatasaray.

Manchester City’s Brazilian goalkeeper, Ederson (#31), between a match with Al-Hilal in the 2025 FIFA Club World Cup Round of 16, held at Camping World Stadium in Orlando, June 30, 2025. (AFP Photo)
Manchester City’s Brazilian goalkeeper, Ederson (#31), between a match with Al-Hilal in the 2025 FIFA Club World Cup Round of 16, held at Camping World Stadium in Orlando, June 30, 2025. (AFP Photo)

Alternative targets

While Costa is the priority, Galatasaray continues to explore other options. Manchester City’s Ederson and Inter’s Yann Sommer remain on the shortlist, ensuring the club has backup plans should Porto refuse to lower their demands.

August 12, 2025 04:46 PM GMT+03:00
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