Dermot Gallagher has backed Michael Oliver's decision to allow play to continue in the build-up to Manchester United's opening goal against Liverpool at Anfield on Sunday evening. The controversy arose just before Bryan Mbeumo broke the deadlock for Ruben Amorim's side. Bruno Fernandes pounced on a loose ball in the middle of the park after Virgil van Dijk collided with Alexis Mac Allister . The Liverpool midfielder fell to the ground in a heap, but Oliver waved play on, and the Red Devils