Tottenham Hotspur are heavily linked with the 21-year-old.
The Colombia international has been heavily linked with a big-money move to Tottenham Hotspur.
And Dutch publication AD has reported this evening that he has been omitted from Ajax's squad due to a potential transfer.
Sanchez, who is fit to play, made 32 Eredivisie appearances for the Dutch giants last season and scored six times, but it would appear as if his time in the Netherlands may be coming to an end.
Spurs have signed nobody this summer and their fans would love a big-money signing to whet the appetite ahead of the new season.
The Lilywhites visit Newcastle United in their Premier League opener on Sunday afternoon.