Chelsea have just suddenly put £55m player at the centre of their summer transfer plans
Chelsea have determined that a goalkeeper is now an essential signing this summer, and The Chelsea Chronicle understands the club have made Diogo Costa their number one transfer target.
The Blues are currently set to go into the 2026/27 season with Robert Sanchez and Mike Penders as their goalkeepers, after Filip Jorgensen has asked to leave the club.
Sanchez has had his critics since his move to Stamford Bridge, while Penders remains untested as a Premier League goalkeeper.
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Chelsea put Diogo Costa at top of their transfer list
Costa has been a long-term target of Chelsea following his excellent showings for Porto, and his stock has only increased following his performances at the World Cup.
A goalkeeper was not originally seen as a priority target for the Blues following Xabi Alonso’s hiring, although The Chelsea Chronicle understands that there has been a change of heart this summer.

Transfer insider Ekrem Konur has told us that the Blues have now placed Costa as a top target this summer, with them ahead of PSG in the race to sign him.
He said: “Chelsea have placed Porto goalkeeper Diogo Costa at the center of their summer transfer window plans to reshape their goalkeeping options. The Stamford Bridge side has designated Costa as their number one target. While no formal bid has been submitted yet, London officials are preparing to take concrete steps to secure his signature this summer.
“Porto are highly reluctant to lose their Portuguese international, viewing him as a key pillar of their project. Sources suggest that Porto are pointing directly to his €60 million release clause. While this is a significant financial investment for Chelsea, the internal consensus at Stamford Bridge is that signing a world-class goalkeeper is essential to return to the top of the Premier League.
“Chelsea are not alone in their admiration. Paris Saint-Germain are also closely monitoring Costa as they look to reinforce their own goalkeeping department. However, at this stage, Chelsea are the club with the most concrete plan and view this transfer as a top priority.
“The Diogo Costa saga is shaping up to be one of the most critical goalkeeper movements of the summer window. Porto’s firm stance on the release clause, Chelsea’s financial backing, and PSG’s potential counter-move will ultimately determine the outcome.”
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Thoughts?
Costa would be significant upgrade on Robert Sanchez
Chelsea are having to sell big this summer due to having no European football on offer this season, and have already started well with the departures of Marc Cucurella, Tyrique George and Andrey Santos.
Goalkeeper has been an area of weakness despite Sanchez’s improved performances last season. In 2024/25, no shot stoppeR made more errors leading to goals than the Spaniard.
Costa would also bring to the club a goalkeeper who is confident with the ball at his feet, something which is important in Alonso’s typical style of play.
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