Chelsea ready formal offer for Porto goalkeeper

Chelsea are preparing to submit a formal £34 million offer to sign FC Porto goalkeeper Diogo Costa, according to journalist Ekrem Konur. The Blues are expected to strengthen key areas this summer, with the Portuguese shot-stopper identified as a priority target.

The 23-year-old, standing at 6ft 2in, has established himself as one of Europe's most promising goalkeepers during his time at the Estadio do Dragao. Costa has been a regular for Porto since breaking into the first team in 2021, amassing over 100 appearances for the Primeira Liga side.

Context: Chelsea's goalkeeping situation

Chelsea currently have Kepa Arrizabalaga and Robert Sanchez as their senior goalkeeping options. Kepa, who joined for a world-record fee in 2018, has shown inconsistency, while Sanchez arrived from Brighton last summer. The Blues shipped 63 goals in the Premier League last season — the worst defensive record among the top half — prompting a need for a reliable last line.

New manager Enzo Maresca, who replaced Mauricio Pochettino in June, is believed to favour a goalkeeper comfortable with the ball at his feet. Costa's distribution is among his standout attributes, averaging 6.1 accurate long balls per game last season, placing him in the top 10% of European goalkeepers.

Transfer market context

The reported £34 million fee would represent a significant investment for a goalkeeper but is below Costa's presumed market value, which has been estimated at around £50 million. Porto, known for driving hard bargains, may push for a higher figure. Chelsea's offer comes amid interest from several European giants, though Konur's report does not name specific rivals.

For context, Chelsea's record signing for a goalkeeper remains Kepa's £71 million deal. A £34 million outlay would place Costa among the most expensive Premier League keepers, alongside Alisson (£66m) and Ederson (£35m).

Impact analysis

The addition of Diogo Costa would address a long-standing weakness for Chelsea. His shot-stopping statistics are impressive: a 79.3% save percentage in the Primeira Liga last season, compared to Kepa's 72.1% and Sanchez's 70.4%. Costa also ranks highly in crosses claimed and sweeper actions, offering command of his penalty area.

  • Tactical fit: Maresca's system, influenced by Pep Guardiola, demands a goalkeeper who can build from the back. Costa's passing accuracy of 84.7% last season aligns with this philosophy.
  • Competition for places: Kepa and Sanchez would likely compete for the backup role, though one may be sold to recoup funds.
  • FPL potential: If he secures the starting spot, Costa could be a budget-friendly option at an estimated £5.0m, with Chelsea's defence expected to improve under Maresca.

What's next

Chelsea are expected to formalise their bid in the coming days. Porto's response will determine whether negotiations progress or if the Blues must consider alternatives. With the summer window open until August 30, this deal could accelerate if both parties find common ground. For Chelsea supporters, securing a top-class goalkeeper is a crucial step in rebuilding a defence that conceded 63 league goals last term.

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