Offseason for players is a mix of learning and competition. Broncos QBs focus on every detail. Defensive backs adapt without Justin Simmons. Defensive line gets revamped with veteran players like John Franklin-Myers and Malcolm Roach. Safety P.J. Locke praises Roach's impact and energy. Coach Sean Payton admires Roach's work ethic. The team aims to improve pass rush and run defense rankings this season.