Who is Diogo Costa? Porto goalkeeper, 26, tipped to replace Alisson at Liverpool

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Liverpool goalkeeper Alisson may leave the club this summer and the Reds are considering replacements for the Brazilian amid reported uncertainty surrounding Giorgi Mamardashvili's suitabilityDiogo Costa is reportedly on Liverpool's shortlist of potential Alisson replacements(Image: 2026 Gualter Fatia)Liverpool has a decision to make in the goalkeeper position this summer, as speculation continues to grow surrounding a possible move to Juventus for Alisson.Alisson's current contract at Anfield is due to expire at the end of next season, and he is said to be tempted by a move to Turin.The 33-year-old Brazilian is currently going through a second successive season that has been plagued by injuries, but his departure would still leave a major hole in the Reds' squad – particularly at a time when other experienced players, such as Mohamed Salah and Andy Robertson, are leaving.READ MORE: Harry Kane makes Champions League history and overtakes Liverpool legendREAD MORE: Luis Diaz makes instant impact for Bayern Munich with Champions League final at stakeTEAMtalk reports that Liverpool has identified Diogo Costa as a possible replacement for Alisson, with the Reds viewing him as one of the few goalkeepers in world soccer capable of replacing Alisson.Who is Diogo Costa?Costa has been Porto's No. 1 for several years and is also Portugal's first-choice goalkeeper, and it is claimed that "Liverpool has long admired Costa’s profile, with his command of the penalty area, distribution, and composure under pressure seen as traits well-suited to the Premier League."Costa has made 244 appearances for Porto, keeping 106 clean sheets, while he has kept 18 clean sheets in 42 appearances for his country since making his international debut five years ago.Costa succeeded Spanish legend Iker Casillas as Porto's No.

1, and Casillas tipped Costa for a great career.Diogo Costa has impressed in Portugal(Image: 2026 Diogo Cardoso)“Porto has always had great goalkeepers, and now they have another one for many years. Diogo Costa has everything needed to succeed at the highest level," Casillas said a few years ago."He is very complete—good reflexes, good positioning, and also very good with the ball at his feet, which is important in modern football."I think he can mark an era at the club if he continues like this.”Meanwhile, Porto manager Sergio Conceicao said of Costa: “Diogo is a goalkeeper with enormous quality, but what stands out most is his mentality."He is very focused, very calm in difficult moments, and he gives a lot of confidence to the team."He works very well every day, and that is why he performs like this in matches.

For a young goalkeeper, he shows great maturity. He has already shown that he can decide matches for us, and that personality is fundamental at this level.”As well as Costa, Brighton’s Bart Verbruggen, Sunderland’s Robin Roefs and Manchester City’s James Trafford are all said to be on Liverpool's radar, amid the Reds' concerns over whether Giorgo Mamardashvili has what it takes to succeed Alisson.