In front of watching England boss Roy Hodgson, the Saints leading scorer, 24, fell awkwardly and was stretchered off with suspected knee ligament damage.
Saints manager Mauricio Pochettino feared the worst admitting: “It’s not looking very good although we still need to assess it. We think it’s his knee ligaments.”
Anzeige
City’s win moved them to within a point of overnight leaders Liverpool, who travel to West Ham today.
But Chelsea’s 3-0 win over Stoke City last night meant they overhaul both clubs and now sit one point clear at the top.