By Graeme Bailey James Maddison is unlikely to be available for England’s opening game of the World Cup against Iran, sources have told 90min. The midfielder suffered a hamstring injury in Leicester’s win over West Ham in his final game before the winter break for the World Cup. Maddison and Leicester insisted the injury was not serious, but since arriving in Qatar, the 25-year-old has not been able to train. Upon arrival, Maddison declared that there were no serious concerns about the injury, insisting: “We’ve had the scan, it was a good scan, there wasn’t any major problems. “I have to do a …