Manager Roy Hodgson is unhappy with San Marino goalkeeper Aldo Junior Simoncini after his challenge in England's 5-0 World Cup qualifying victory at Wembley put Theo Walcott in hospital.
Walcott was undergoing a scan on Friday night for a chest injury following the collision with Simoncini and looks likely to miss Tuesday's encounter against Poland in Warsaw.
Captain Wayne Rooney and Manchester United team-mate Danny Welbeck both netted twice with Alex Oxlade-Chamberlain scoring his first senior England goal but it was the injury to Walcott which soured an otherwise satisfactory night for Hodgson.
Hodgson said: "If I described it as reckless I would be being kind. It was a very fierce challenge although I don't think for one minute there was any malice in it when he went for the ball. Irrespective of that it was a very bad challenge.
"It has put Theo Walcott in hospital. We have to wait now and find out the extent of his injury. When your goalkeeper does that you are very lucky ...