"I just think the league in general makes it tough on young quarterbacks. And defenses and defensive coordinators," he said after Thursday's practice at the team's headquarters in Owings Mills. "I really marveled last year at how some of the young guys came in and did what they did because I think in a lot of ways, the college game and the pro game are becoming more and more different. I think, first and foremost, credit goes to Joe and the amount of hard work he has put in and always does. He's always wanting to learn. So you give the credit to him. I think things are just maturing and growing, getting better. He still can keep getting better and better and better, and no one knows it better than him."