was left out of ’s matchday squad for Saturday’s game against .
The England international has lost his place as the club’s undisputed No.1 goalkeeper following the arrival and subsequent promotion of summer signing David Raya.
Ramsdale had been on the bench for the previous four Premier League games and was expected to remain there with the Spain international continuing between the posts for a vitalLondon derby.
The former Bournemouth and Sheffield United shot-stopper was given a leave of absence on Saturday, however, after his wife gave birth to a baby boy.
Estonia international Karl Hein, 21, who has made only one senior appearance for the Gunners, takes Ramsdale’s place amongst the replacements with Raya starting again.
Elsewhere, Bukayo Saka returned to the starting XI having missed the landmark win over Manchester City prior to the international break.
William Saliba, who pulled out of the France squad with a toe injury, was fit enough to start while Jorginho retained his place and lined up against his former club.
For Chelsea, captain Reece James was fit enough only for the bench with Malo Gusto and the recalled Marc Cucurella occupying the full-back positions.
Mykhailo Mudryk, who appeared destined to join Arsenal back in January, returned to the starting XI while Raheem Sterling featured in a false nine role.
, . ,  and .
