There are fears Arsenal centre-back Gabriel Magalhaes could be out for a significant spell after coming off against Fulham with a hamstring injury, according to The Guardian.
The problem was exacerbated by the Gunners star having to play on for more than a minute after the Craven Cottage club refused to put the ball out.
Footage showed Gabriel hobbling badly as he tried to stay on his feet, and he has since been sent for a scan, with Arsenal fearing a long-term injury absence for the 27-year-old.
The North Londoners have been dealt a couple of injury blows at the back ahead of the final stretch of the 2024-25 campaign, with Jurrien Timber also set to be unavailable going forward after the Netherlands international defender was also forced off with a knee injury against Fulham.
Versatile defender Ben White missed the game with a knee problem, while Riccardo Calafiori remains on the sidelines after he got injured on international duty.
The Italy international was unable to finish the game between his country and Germany in the Nations League quarter-final after injuring his left knee following an unprompted slipping in the 92nd minute, and it appears he has not neared full fitness.
Arsenal return to action on Saturday with a trip to Goodison Park to face Everton for their 31st Premier League game of the campaign, with the first-leg of the Champions League quarter-final against Real Madrid on Tuesday next.
The Gunners could be without four key defenders for such crucial games, and Arteta has a big headache to solve as he looks to get his selection right in the coming days.
England international forward Bukayo Saka returned to action for the first time since December last night, and while his goalscoring-comeback is a huge boost for Arsenal, being without Gabriel and co at the back could end up being a massive blow.