Fullbacks, Flags and Depth: Key Week 1 Preseason Signals Beyond Mendoza

Conor Orr previews six Week 1 NFL preseason storylines beyond the focus on No. 1 pick Fernando Mendoza, including a potential fullback resurgence and its impact on running games and special teams, the NFL’s new challenge-flag process and how teams test it, early offensive-line depth questions amid injuries, the Giants’ red-zone offense and possible veteran fixes, the impact of new head coaches on Ravens and Bills defenses, and evolving quarterback-rep strategies such as Milroe’s subpackage.