Momentum has swung back and forth between the adversaries and the rivalry has hit new heights in the Premier League era. United and Liverpool are good for at least two tantalising battles every single season, with drama never far from view.

As Manchester United search for back-to-back wins, BBC Sport looks at why their next four games could be key for Ruben Amorim.

The first doubts are beginning to emerge about Liverpool’s Premier League title defense on the back of three straight losses