“Today, I have realized how difficult and how big a referee’s job is,” Arsenal manager Mikel Arteta acknowledged after watching Chris Kavanagh come to a decision, which afforded his side an almighty advantage in the Premier League title race. Had the on-pitch official not agreed with the advice dished out by his video assistant referee (VAR) Darren England, the Gunners would have been consigned to a 1–1 draw with West Ham United at the London Stadium. The gap to Manchester City would have stood at just three points, and Pep Guardiola’s side could have recaptured the division’s summit before Arsenal played again. At the other end of the table, Callum Wilson’s disallowed goal would have taken the Hammers to the same points tally as Tottenham Hotspur on the other side of the drop zone while keeping Crystal Palace, Leeds United and Nottingham Forest mathematically in the relegation battle.…