Arsenal fans were left flabbergasted by their side's failure to capitalise on a dramatic weekend in the race for a top four spot.
Defeats for Manchester United and Tottenham Hotspur for Unai Emery's men to record a decisive win at the Emirates Stadium to take control of third place.
Instead, they suffered a shock 3-2 loss to Crystal Palace to cast doubt over their ability to stay the course.
Goals from Christian Benteke, his first in 358 days, Wilfried Zaha and James McArthur secured a surprise away win for Roy Hodgson’s side.
Every moment Shkodran Mustafi has cost Unai Emery this season to show he must leave Arsenal
The win was enough to confirm the Eagles were officially safe from relegation this season.
Emery’s team came into the game fourth in the table, a point behind Tottenham.
A win would have moved them up to third, ahead of their biggest rivals, who lost 1-0 to Manchester City on Saturday.
Manchester United’s humiliating 4-0 reverse away at Everton earlier on Sunday proved to be a missed opportunity for the Gunners come the end of the weekend.
Ole Gunnar Solskjaer’s side remain two points behind Arsenal with three games to go.
The unacceptable moment that Shkodran Mustafi showed he has no right to a future at Arsenal
Chelsea were the biggest winners of the weekend, ahead of their clash with Burnley on Monday evening, which only rubbed salt into the wounds of fans disappointed by the display against Palace.
Here is a selection of reaction from Twitter on the unexpected loss.
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