The 28-year-old struggled to get on the field last year as he missed all of his side's off-season activities over a contract dispute, amassing 414 yards in six games.
Bradley told reporters: "I know he's not satisfied with where he is right now. I know that. He has told me that.
"Mo-Jo and I have conversations daily on it, on where he needs to be. It's a trust factor with us, and Dave (Caldwell) has talked to him as well."
Jacksonville open their regular season campaign against the Kansas City Chiefs.