Arsenal fans worried as Laurent Koscielny demands to be replaced by Per Mertesacker after appearing to pick up injury
French defender is second injury to Gunners back line after full-back Sead Kolasinac hobbled off in the first half at the Hawthorns
ARSENAL have suffered another injury blow as Laurent Koscielny limped off against West Brom.
It's another injury headache for Gunners boss Arsene Wenger who lost full-back Sead Kolasinac to injury in the first half after a late challenge from Gareth Barry.
To add to Wenger's injury headache, the Frenchman was without Mesut Ozil who picked up a knee injury before the game at the Hawthorns.
The German contract rebel alongside Koscielny and Kolasinac are major doubts for the clash at home to Chelsea on Wednesday.
The experienced Per Mertesacker came of the bench to replace Koscielny and Ainsley Maitland-Niles was thrown in at left-back.
However, despite taking a late lead through Alexis Sanchez, the visitors were held to a draw after referee Mike Dean handed the Baggies a life line when he warded the home side a penalty.
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Calum Chambers was adjudged to have handled the ball after after former Gunner Kieran Gibbs flicked the ball onto his arm from close range.
Jay Rodriguez converted from the spot for a precious point to take Alan Pardew's side off the bottom of the Premier League going into 2018.