Nearly nine months have passed since Mikel Arteta made that bizarre argument regarding his goalkeepers.
They are interchangeable, just like any other position, was the rationale given after David Raya had usurped Aaron Ramsdale for Arsenal’s 1-0 victory over Everton in September.
It was put to him that it was a highly unusual strategy. ‘That’s strange?’ he asked in reply. ‘Why? Why not? We have all the qualities in another goalkeeper to do something when something is happening and you want to change momentum. Do it.