Liverpool fans loved Trent Alexander-Arnold's reaction to Old Trafford on tunnel cam

After his early goal was disallowed, Alexander-Arnold saw team-mate Luis Diaz bag a brace before the break to put them in the ascendency. Both of the first-half goals came from mistakes by Casemiro in his own half. Erik ten Hag hauled him off at half-time - but it didn't change the one-way traffic. And Kobbie Mainoo then made a mistake before Dominik Szoboszlai fed Mohamed Salah for the third. The margin could even have widened as the visitors ultimately cruised …