Manchester United's relatively slow start to the summer transfer window may have some fans worried.
The Red Devils undoubtedly need reinforcements after slumping to a sixth-place finish in the Premier League last season. However, despite notable interest in the likes of Frenkie de Jong and Jurrien Timber, they have been made to wait as other Premier League big-hitters have got their business out of the way early.
There are some worrying precedents from years past, too, with previous sagas dragging on for weeks or more before United were left empty-handed. Here, Mirror Football looks at three of the biggest disappointments for the Old Trafford club since the turn of the century.
