De Gea banged his knee on the goalpost in his failed attempt to keep out Southampton midfielder James Ward-Prowse's free kick and was withdrawn at halftime in Sunday's 3-2 win at St Mary's. "Let's have a little check on (De Gea)," Solskjaer told Sky Sports.
Karl Toko Ekambi scored one and set up two more as Olympique Lyonnais beat 10-man Stade de Reims 3-0 at home to claim their fifth win in six Ligue 1 games and continue their charge towards top spot on Sunday. Toko Ekambi, Bruno Guimaraes and Moussa Dembele found the back of the net to lift OL, who are not playing in Europe this season, up to third on 23 points from 12 games. They trail leaders Paris St Germain, who were held to a 2-2 home draw by Girondins de Bordeaux on Saturday, by two points and are behind second-placed Lille on goal difference.
Liverpool, Chelsea and Manchester clubs City and United are all playing this week.