Manchester City's summer transfer window has seen several major signings already land in Pep Guardiola's squad.
The Catalan coach secured four new faces ahead of the ongoing Club World Cup with some bold calls expected on the blue side of Manchester.
Guardiola previously stated he was not looking to make changes to his existing goalkeeper options, however, uncertainties continue to grow over first-choice shot-stopper Ederson at the Etihad Stadium.
The Brazilian has been underwhelming throughout the 2024/25 season, with several errors leading to goals, alongside multiple injury issues, with 10 matches missed. He racked up 12 clean sheets and conceded 48 goals in 37 appearances across all competitions.
Despite being included in City's squad for the Club World Cup, the club are still open to an exit, with the veteran star reportedly receiving offers from the Saudi Pro League club.
On the back of that update, Porto's Diogo Costa has told his inner circle he wants to move abroad to take on a new challenge in a different league, according to Portuguese outlet A Bola.
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However, the report states the 25-year-old is on City's radar with Manchester United on his trail.
How can Man City sign Porto's Diogo Costa?
Costa caught the eye with his performances earlier this summer as Portugal bagged a penalty shootout win over Spain in the Nations League final - including a key spot kick save from Alvaro Morata.
His current contract is valid until the summer of 2027, and the Porto are not expected to part ways with one of their own talents without making a major profit.

Porto have set a reported release clause of €75m [$87m], however prior reports suggest they may consider a €60m [£51m] exit.
While Costa could be an ideal replacement for Ederson, it remains unclear if City will consider a formal offer, as Guardiola prepares for talks with Ederson.
Costa's 2024/25 numbers featured 19 clean sheets, with 45 goals conceded, across 43 appearances for Porto.
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