49ers secondary struggles during joint practice with Chargers

The San Francisco 49ers and Los Angeles Chargers participated in a joint practice on August 18, 2026, where the 49ers' secondary faced significant challenges. Chargers quarterback Justin Herbert and his receivers exploited the 49ers' defensive backs, resulting in multiple large plays. Reports noted miscommunications in coverage, with defensive backs Deommodore Lenoir and Ji’Ayir Brown involved in several breakdowns. Defensive tackle Osa Odighizuwa stood out with multiple effective plays, while the 49ers offense reportedly struggled overall. The teams will look to refine strategies after this session.

• 8:17 PMYahoo Sports — 49ers-Chargers joint practice roundup: The secondary had a rough outing