Arsenal are optimistic Bukayo Saka avoided a serious injury against Sheffield United.
Saka is being assessed by club medics after limping off in the 69th minute.
The Gunners remain hopeful Saka suffered a dead leg, per the Daily Mail.
The 19-year-old is still a major doubt to face Slavia Prague in their vital Europa League quarter-final second leg.
Martin Odegaard and Emile Smith Rowe are also in serious doubt of missing the Prague trip, with the tie evenly poised at 1-1.
Pierre-Emerick Aubameyang is expected to return after missing the 3-0 win at Bramall Lane.
But Mikel Arteta will be without David Luiz and Kieran Tierney.