Celtic are being linked with a transfer swoop for teenage Serbian defender Veljko Milosavljevic.
The centre-back, 18, broke into the Crvena zvezda first-team this season and impressed during his handful of appearances before injury ruled him out for a number of weeks.
And he did enough to attract the attention of both English Premier League side Everton and the Scottish champions, according to Serbian outlet Kurur.is.
Milosavljevic is seen as one of his nation's hottest young prospects and has shown his big game temperament at a big club in the league, including in derbies against Partizan, which would appeal to Celtic.
The 6ft3in stopper was was watched by both interested UK-based clubs towards the end of his season as he continued to impress.
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A summer transfer battle could now ensue between the Hoops and the Toffees.
Cameron Carter-Vickers is a mainstay in the Celtic defence when fit and has mostly been partnered by Liam Scales or Auston Trusty with Maik Nawrocki also standing in against Rangers and Hearts.
Brendan Rodgers will be expected to strengthen across the park in the summer as he looks to defend a potential Treble and progress further in the Champions League.
Scottish boss David Moyes will also be hoping to strengthen his Everton side and the backline is one area which could have surgery performed on it.
The high esteem in which Milosavljevic is held is displayed by a recent report published by The International Centre for Sports Studies as they looked at the most talented young players in world football.
The Celts target was one of eight Serbs included and was ranked in 42nd spot.
A Serbia under-19s cap, Milosavljevic is described as a modern centre half - dominant and aggressive physically but one who can also carry the ball out from the back and play forward progressively.
After signing a new three-year deal with his club in September 2024, that contract status would mean Celtic would likely have to splash out if they decide to firm up their interest and make a move.