Mikel Arteta admits that Arsenal are "a bit concerned" over Gabriel after he went off injured against Chelsea.
The Brazilian defender managed 85 minutes in Tuesday's emphatic 3-1 London derby win, as he attempted to play on after hurting his foot in the second half. Having gone down in pain multiple times, however, Gabriel eventually had to be substituted in place of Rob Holding, leaving Arteta without his two best centre-backs at a crucial point in the season.
Gabriel, 25, joins regular partner William Saliba, who may not feature again this term, and backup Takehiro Tomiyasu in the treatment room. Post-match, Arteta was asked to provide an update on the 25-year-old's condition and the Arsenal manager replied: "He wasn't comfortable.