Chelsea are assessing whether to step up their interest in Diogo Costa, with the Porto and Portugal goalkeeper increasingly viewed as a serious target for Xabi Alonso during this summer window. According to Mirror, the Chelsea head coach sees the 26-year-old as a potentially decisive addition as he reshapes key areas of his squad.
The thinking is clear. Chelsea have invested heavily in attacking talent, most notably with the arrival of Morgan Rogers for a British record £117million, and attention is now turning to the spine of the side. In that context, Costa stands out as one of the most established goalkeepers available on the market, with a strong reputation at both club and international level.
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Diogo Costa clause gives Chelsea a clear route
Costa’s situation is relatively straightforward by elite-market standards. He remains tied to Porto on a long-term deal, but that contract includes a €60million release clause. That figure is substantial for a goalkeeper, yet it also provides certainty, which clubs value when time is tight and priorities are fixed.
For Chelsea, that matters. Recruitment at Stamford Bridge has often involved long negotiations, layered structures and competition from rival clubs. A fixed clause creates a direct mechanism if they decide Costa is the right fit. The key question is whether Chelsea judge him to be worth moving for immediately, or whether they continue weighing alternative options before making a final call.
Costa has spent years fielding questions over his future and has done so again following Porto’s Portuguese Super Cup win over Torreense. His message was measured. “I’ve been linked with leaving this club for some time now. As I’ve done up to now, what I can say is that I’m very happy here and, while I’m here, I will always be the same player and the same person.”
He also acknowledged the uncertainty that naturally surrounds top-level careers, saying: “As I said, I’m very happy here, I…
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