Manchester United's fine run of form in the Premier League will be tested to the max this weekend when they make the short trip to face champions and arch-rivals Manchester City.
Erik ten Hag's side are on a run of four straight wins in the competition but face arguably the most difficult game of the whole season next, when they travel to the Etihad.
The occasion proved too much for United on their last visit back in March. That day United, under the stewardship of interim boss Ralf Rangnick, were easily swatted aside 4-1. But there is an element of the unknown about one area of United's side this time around — the new-look defence.
