Green is still dogged by his blunder against USA at the World Cup in South Africa, when he somehow allowed a tame Clint Dempsey shot to slip through his hands and into the net.
But the Hammers keeper has refused to buckle under pressure and has maintained good form at club level.
"England will see a different Robert Green," he said. "The mental side of recovering from the injury is that he feels so much better.
"Instead of coming back wary, he's come back better than he went in. He's right back at his highest level."