Neglect the Premier League at your peril, as Arsenal have learnt in these past four weeks.
It started with the 1-1 draw against Everton at Goodison Park on April 5, with Saturday's defeat by Bournemouth the latest chapter of the Gunners overlooking this most unforgiving of leagues.
Evanilson's winner had a slice of luck as he bundled home from the back post off a corner, the goal passing a VAR check for handball with the ball so close to his arm. It looked like there was contact, but the replays deemed it to be inconclusive.