straight to your inbox every day for freeManchester United could line up in the midfield diamond formation on Sunday when they face Liverpool.After defeating Burnley 1-0 on Tuesday, United moved to the top of the Premier League table for the first time in over three years which has only increased the stakes for the trip to Anfield.As such, Ole Gunnar Solskjaer has plenty of dilemmas to wrestle with when he picks his team for the fixture, especially on how to deploy his 11 men on the field.He has