Arsenal have been dealt a huge blow with the confirmation that centre-back Pablo Mari has been ruled out for the rest of the season with an ankle injury.
The defender sustained serious damage to his ankle ligament in the 3-0 defeat by Manchester City on Wednesday night.
It was only Mari's third game for the club but he is set for a prolonged spell on the sidelines and surgery may be required.
Mikel Arteta spoke out in defence of David Luiz but Pablo Mari is out for the season
The defender suffered a serious ankle injury early in the defeat by Manchester City
The Flamengo loanee pulled up while chasing Kyle Walker down the right flank in the first half and was forced off in the 22nd minute.