Overview

• The 49ers fell to the Broncos 30–9 in their preseason opener despite an early spark from backups as starters saw limited action.
• San Francisco’s reserve unit was outscored 30–0 after most starters were rested, underscoring concerns about a top-heavy roster beyond the first string.
• Rookies, particularly defensive linemen Mykel Williams, Alfred Collins and CJ West, logged significant snaps and showed promise alongside clear developmental gaps.
• Backup DT Marques Sigle and veteran RB Ameer Abdullah exited with injuries during the game, highlighting the team’s urgent need for deeper reinforcements.
• The 49ers moved to strengthen their depth by signing running back Ke’Shawn Vaughn and waiving offensive lineman Zack Johnson following the opener.