By Chris Harris
Samir Nasri and Aaron Ramsey are expected to return from injury in three weeks' time.
Both players sat out Sunday's trip Bolton, forcing Arsène Wenger to shuffle his pack ahead of the 2-0 victory which took Arsenal to within three points of leaders Chelsea.
After the game the manager explained why he will have to do without Nasri and Ramsey until next month. However, Wenger also revealed that he could welcome back two injured players for Wednesday's return match with Bolton.
"Nasri's injury is what I call a '21-day injury'," he said. "It is a clean hamstring [injury].
"Ramsey's [absence] will be the same [as Nasri's] but it is not a hamstring injury, it is a thigh.