Liverpool are in Premier League action on Thursday night as they seek to return to the top of the Premier League table. Jurgen Klopp’s Reds reached the summit last weekend and stayed there until Wednesday night, when Arsenal leapfrogged them. Now, Liverpool have the chance to leapfrog the Gunners and return to the top, providing they get the better of Sheffield United at Anfield. The Reds are heavy favourites against a team that looks all-but certain to return to the Championship next season. And while Liverpool will not be complacent – that’s how upsets happen – Klopp must be mindful of the t…