A long list of top European clubs are reportedly waiting to pounce for Fiorentina winger Juan Cuadrado, but the two sides that own him are in deadlock.
The Colombian international has been superb in Serie A this term wearing a Fiorentina shirt, but Udinese also own 50 percent of his rights.
Fiorentina had expected to buy out Udinese's share in Cuadrado this summer for around £8m, which would allow them to keep him or sell him on at a large profit.
Udinese have a reputation for developing talented players and then selling them on and are doing the same with Lazio's Antonio Candreva this summer.
But possibly because of the reported interest of Real Madrid, Barcelona, Bayern Munich, Manchester United and Arsenal, Udinese appear to be reluctant to agree a deal with Fiorentina.
Fiorentina chief Andrea Della Valle is set for further talks with his Udinese counterpart Giampaolo Pozzo in the next few days to try and end the stalemate, but things seem to be getting tense.
The process known in Italy as 'going to envelopes' would see both sides put a bid in a sealed envelope and whoever bids highest pays that for the player.
The only other option for Fiorentina and Udinese, if they can't agree for one side to take full possession, would be to extend the co-ownership for another year, ending any chance of a move this summer.
Manchester United and Arsenal will keep a close eye on developments, but it has been suggested that they wouldn't be willing to match the alleged £25m bid of Barcelona.