Ruben Amorim expects Bruno Fernandes to face a spell on the sidelines but warned Manchester United against making ‘mistakes’ by rushing into finding a replacement in January.
Fernandes appeared to pull up towards the end of the first half of the 2-1 defeat at Aston Villa and did not reappear for the second.
The match was level at the interval but Morgan Rogers scored the winner after the break to keep Villa just three points behind Premier League leaders Arsenal.
‘It was a soft tissue injury so he will miss some games for sure.