"It's the reality of the market," he told the Lancashire Telegraph. "You want people interested in your players.
"I'm pretty sure, knowing the club now as I do, it would take a hell of a figure to get him to leave.
"You want interest in your players because that's usually a good sign that things are going well, and there are a lot of good things going on here.
"We've just got to make sure we keep that and turn it into results."