The 49ers just lost their preseason opener to the Denver Broncos by a score of 30-9. Here are the 49ers' grades for this performance.

Watch the top plays from the Denver Broncos' road win over the San Francisco 49ers in their first game of the 2025 preseason.

The 49ers scored a touchdown on their opening series of the preseason, then their defense crumbled by halftime against the ...