Celtic expressed an interest in hiring Albian Ajeti for West Ham, says Sky Sports.
Celtic boss Neil Lennon is thought to be interested in Switzerland internationally and the Scottish Premiership champions have asked about his availability, whether on loan or permanently.
The Hoops are seeing pressure from a variety of Premier League teams but this season, after his £8 m transfer from Basel last summer, Ajeti fails to get into the West Ham team.
Celtic sought to get the player to Parkhead last season, but with any potential deal, the Hammers were priced.
The 23-year-old has made nine appearances in this season’s Premier League for West Ham, often from the bench, and has been increasingly frustrated by the lack of first-team opportunities.