Chelsea are pushing to solve one of the few remaining weaknesses in their squad, with advanced negotiations reportedly underway for Porto’s first-choice goalkeeper Diogo Costa.Xabi Alonso has inherited a talented group, but the position between the posts still lacks the certainty expected from a team aiming to challenge for the Premier League and Champions League.DOWNLOAD THE OFFICIAL CAUGHTOFFSIDE APP FOR ALL THE LATEST & BREAKING UPDATES – STRAIGHT TO YOUR PHONE! ON APPLE & GOOGLE PLAYChelsea have spent much of the window reshaping the squad and creating room for new arrivals, yet they have not secured a clear long-term upgrade in goal.A proven international who is comfortable in possession would suit Alonso’s build-up approach and could immediately raise confidence across the defence.Chelsea enter talks to sign Portuguese goalkeeperJournalist Pedro Almeida claims Chelsea and Porto are now in advanced talks over a transfer.The update represents a significant development after weeks of interest, although neither club has officially confirmed that an agreement is close.Want more CaughtOffside coverage? Add us as a preferred source on Google to your favourites list for news you can trustChelsea’s need is easy to understand. Robert Sánchez has delivered some strong performances but has not always provided consistent security, while the future of other goalkeepers remains uncertain.The Porto captain offers leadership, sharp reflexes and the ability to begin attacks with accurate passing.He would not simply arrive as competition; he would be expected to become Alonso’s long-term number one and bring the stability Chelsea have lacked in recent seasons.Former Portugal international goalkeeper Eduardo has described Costa as ‘one of the best goalkeepers‘.PlayerClubLeagueMatchesMinutesClean SheetsDiogo CostaFC PortoPrimeira Liga~332,90721Robert SánchezChelseaPremier League353,0398Backup GKs (e.g., Jørgensen)ChelseaPremier League33791Costa’s record of 2025/26 compared to Chelsea goalkeepersMore Stories / Latest NewsJust in: La Liga giants ready to offer Jack Grealish escape route out of Man CityAug 3 2026, 7:48Just in: Chelsea enter advanced talks to sign ‘one of the best goalkeepers’ in the worldAug 3 2026, 7:41Tottenham hold positive talks with Liverpool star but Reds have no intention to sellAug 3 2026, 6:54Porto’s valuation and rival interest could decide the dealPortuguese newspaper Record previously reported that Chelsea were prepared to offer around €40 million, while Porto were unlikely to accept less than the goalkeeper’s €60 million release clause.It also mentioned interest from Bayern Munich and Paris Saint-Germain, which could strengthen Porto’s negotiating position if either club enters the race.Chelsea should increase their offer without automatically paying the full clause.Their busy window has required careful squad management, and another expensive deal must deliver an immediate improvement.The Portuguese international appears well suited to Alonso’s football and is young enough to hold the position for years, but Chelsea must move decisively before rival interest creates an auction.Just in: Romano issues Mykhaylo Mudryk update in a major boost for Chelsea The post Just in: Chelsea enter advanced talks to sign ‘one of the best goalkeepers’ in the world appeared first on CaughtOffside.