The Gunners earned a 2-1 comeback win against North London rivals Tottenham Hotspur on Sunday to make it four wins and a draw in their last five games in all competitions.
Here, Sports Mole rounds up all of Arsenal's injury and suspension news ahead of this return fixture.
Status: Major doubt
Type of injury: Hamstring
Possible return date: March 18 (vs. Olympiacos)
Saka has emerged as one of Arsenal's key men this season, but the Gunners may be without the versatile wideman on Thursday after he limped off with a hamstring injury against Tottenham. Speaking after the game on Sunday, Arteta admitted that he is unsure of the severity of the problem.
ARSENAL'S SUSPENSION LIST
Arsenal have no players suspended for the visit of Olympiacos.