Liverpool were thankful to their substitutes bench for getting them out of trouble against Sheffield United last night. The Reds looked like they might be about to mess up the chance to go back to the top of the Premier League table on Thursday. With 15 minutes of the game left, the Blades had them at 1-1. Having already seen Mohamed Salah go off in a huff, some fans could have been forgiven for wondering where the goals were coming from. But up stepped Alexis Mac Allister with an absolute net-buster, before Cody Gakpo finished the job late on. Gakpo was one of four substitutions made by Jurge…
