Crystal Palace are reportedly taking a look at Olympiacos goalkeeper Jose Sa.
The 6ft 4in Portuguese joined the Greek side full time last summer, having spent the previous season on loan from Porto.
Sa, who won the Portuguese league title with Porto in 2018, has impressed for Olympiacos in the Europa League.
Southampton are also showing an interest with West Ham the most keen, according to Greek outlet Sdna.
The 27-year-old has three years left on his contract and would reportedly cost around £13million.
Meanwhile, Palace co-owner David Blitzer has made a €5.5m offer to buy Belgian side KV Oostende.
Het Nieuwsblad adds in its reporting that Oostende chairman Franck Dierckens has turned this down with the club on the verge of bankruptcy.