Ajax manager Alfred Schreuder has refused to rule out a departure for Antony, accepting "you never know" when it comes to keeping a full-strength squad.
Antony has been linked with a United switch for much of the summer after impressing under Erik ten Hag in Amsterdam. The Brazilian forward scored 23 goals in two seasons under Ten Hag before the manager moved to Old Trafford.
Ten Hag's new club have already raided Ajax once this summer, agreeing a deal to sign Argentina defender Lisandro Martinez. And, while the Eredivisie champions are keen to keep hold of their star players, Schreuder was non-committal.