The 28-year-old's poor positioning led to the Blue's second goal scored by Mykhailo Mudryk. Raya has been under constant scrutiny since joining Arsenal on loan from Brentford, with many baffled by Arteta’s decision to sign him and select him ahead of Aaron Ramsdale.
There have been calls for him to be dropped in favour of Ramsdale, whose name was chanted by supporters at Stamford Bridge. But Arteta still has great confidence in his fellow Spaniard, saying: 'Errors are part of football and mistakes happen, from defenders, from strikers and from goalkeepers for sure. 'For sure not . We will see tomorrow with the line-up. 'All the players available have chances to play and I’m sure that I will not take a decision based on an only action .