Gary Neville has explained just how important beating Sunderland is for Newcastle United this weekend. Sunderland weredrawn against Newcastle United in the third round of the FA Cup at the start of December, bringing a eight-year wait for a Tyne-Wear derby to an end. Having just beaten Chelsea and Manchester United, as well as drawn to Paris Saint-Germain in the Champions League, the Magpies couldn’t have been happier to finally get a chance to end Sunderland’s unbeaten run against them. Things look a lot more concerning for Newcastle now though, just days away from the big clash at the Stadiu…