'"We know we have to get better on defense and I truly believe we will," said Ryan, who acknowledged that in the last couple weeks of the season he reverted solely to his defensive calls and the Bills responded favorably in wins over the Cowboys and Jets. "The thing I'm super encouraged about is the communication. It wasn't just player to player, it was player to coach, and coach to player. I felt like we finally figured it out and that's what I'm excited about, taking off from that point."'