Manchester United will face an anxious wait over Marcos Rojo after manager Jose Mourinho admitted he was concerned about a muscle injury sustained by the centre-back against Reading.
The Argentina international was replaced by Phil Jones after only 19 minutes of Saturday's 4-0 FA Cup win at Old Trafford, although he was able to walk down the tunnel.
WIth Rojo having enjoyed fine form at the heart of the United defence in the last two months and with Eric Bailly leaving for the Africa Cup of Nations, Mourinho has conceded that he is a little worried.
"I don't know.