Last night’s Europa League last-16 second-leg could hardly have gone better for Liverpool. Already 5-1 up from the first-leg, it was always likely to be a comfortable evening at Anfield. But even then, few had expected the Reds would be 4-0 up after just 14 minutes of the game. It was elctrifying. As a result of Liverpool’s dominance, Jurgen Klopp was able to a field a number of his promising young players. Bobby Clark was the pick of the bunch this time, scoring his first ever senior goal during the first-half. By now though, Clark is well established in the senior team. Last night was his 13…