Junya Ito shot past keeper Angus Gunn in the 84th minute to break the deadlock.

In added time Tierney fired in from 25 yards with McLean scoring from the halfway line.

The 27-year-old has been linked with Galatasaray, Tottenham and Fulham in recent days.

Two goals in stoppage time by the substitute secured a 2-1 win for the Red Devils.