Arsenal are sweating over the fitness of Gabriel Martinelli after the young forward suffered a knee injury during training on Monday.
With Mikel Arteta facing an injury crisis following the restart of the Premier League season, Martinelli is the latest player to add to the head coach's concerns.
Arsenal's latest team news update read: "Left knee. Sustained cartilage injury during training on Sunday. Further assessments and tests to take place in forthcoming days."
More to follow.
