He told The Sentinel: "I've been beating the drum for Ryan for a while. I get to train with him and play with him every week and see what kind of quality player he is. I don't think he would ever let England down.
"It's important to have leaders and he's been our captain for a number of years. It's someone they need to look at and make a decision.
"I wish he was Bosnian, of course! He's a great player. But even saying that, we have got a few good players in our team and I'm sure he will get his international chance soon."