Arsenal's defensive stalwart William Saliba is set for a spell on the sidelines after Sunday's medical checks revealed a hamstring issue, ruling him out for a crucial fortnight. The Frenchman missed the recent draw with Aston Villa, and in his absence, Jurrien Timber stepped up to fill the void at centre-half.

William Saliba's hamstring strain has given Arsenal manager Mikel Arteta a fresh injury headache to contend with during a hectic and potentially decisive spell of fixtures

Takehiro Tomiyasu has managed only six minutes of action this season following a knee injury and his return date remains unclear. Ben White underwent surgery on a knee problem back in November and Arteta has hinted he could return towards the end of January.