Newcastle United edged to a victory over Southampton on Saturday. Though a slender victory at home against a newly promoted Premier League club would not exactly be cause for celebration at Newcastle in usual circumstances, the context of the game is hugely important. Indeed, Eddie Howe’s side were reduced to ten men in the first-half following a red card for Fabian Schar, who had been involved in an altercation with Saints striker Ben Brereton Diaz. The Swiss did move his forehead towards Diaz’s face and obviously gave referee Craig Pawson a decision to make but the decision to actually dismi…