Highly-rated Arsenal teenager Ethan Nwaneri will spend the rest of the season on loan at Marseille in a move designed to accelerate his development through regular first-team football.
Arsenal were left managing another fitness concern in January as Kai Havertz suffered a fresh setback in his recovery from a long-term knee injury.
Matthijs de Ligt will miss Manchester United's trip to London this weekend as the Red Devils prepare to face Arsenal in a crucial Premier League fixture scheduled for Sunday.
Arsenal secured a 3-1 victory over Inter Milan at the San Siro on Tuesday to confirm their place in the Champions League last 16 and maintain a perfect record in the league phase.
Arsenal forward Gabriel Jesus has expressed his desire to extend his stay at the club beyond his current contract, which runs until the July 2027, as he continues his comeback from a nearly year-long injury layoff.
Arsenal face a demanding test of their Champions League credentials when they travel to Milan to take on Inter in their next European assignment.
Mikel Arteta was left frustrated after Arsenal's title charge lost momentum in a goalless draw against Nottingham Forest, insisting his side were wrongly denied a decisive penalty late in the contest.
Arsenal were held to a 0-0 draw by Nottingham Forest in a tense late kick-off at the City Ground on Saturday, missing the chance to stretch their Premier League lead to nine points.
Mikel Arteta has said Arsenal's consistency this season is convincing his players they can achieve something historic, with the club still competing for four trophies as the campaign reaches its decisive stage.
