United travel to Estádio do Dragão on Saturday, 28th July, as part of the Portuguese giants' 125th anniversary celebrations.

It has now been confirmed that the game will kick off at 7.30pm local time.

The two clubs are linked by, among other things, Sir Bobby Robson, who managed both sides. Read more about the teams' shared history here.

The Magpies have also announced friendlies against St. Patrick's Athletic, Hull City and FC Augsburg, and will confirm a final pre-season fixture this week.

You can view United's full pre-season fixture list here.