By James Cormack Liverpool returned to the top of the Premier League table on Thursday night after overcoming a scare to beat Sheffield United 3-1. Jurgen Klopp’s side have rarely done things the easy way, and although many were expecting the hosts to run up the score against the relegation-bound Blades, they were instead forced to find a way beyond their stubborn visitors in the second half. Alexis Mac Allister settled a nervous Anfield with a quite outstanding strike after Sheffield United drew level, with Liverpool’s victory seeing them return to the division’s summit with a two-point cushi…