Lucas Torreira may have seen an ankle injury bring his 2019-20 campaign to a close, with Arsenal expecting the Uruguayan midfielder to be sidelined for up to 10 weeks.
The combative South American suffered an untimely blow during an FA Cup fifth-round clash with Portsmouth.
He was forced from the field early on at Fratton Park, with it soon revealed that he had suffered a fracture to his right ankle.
Editors' Picks
Arsenal were initially reluctant to put a timescale on his recovery, with further medical assessment required before the full severity of the problem could be determined.