The San Francisco 49ers cruised to a decisive 44-17 victory over the Denver Broncos in Week 4 of the 2026 season. The win solidifies the 49ers' position as a formidable contender, showcasing their offensive firepower and strategic execution throughout the game. Brock Purdy led the charge for San Francisco, throwing for two touchdowns and keeping the offense moving effectively, while Mike Evans torched the Broncos' secondary with 112 receiving yards. Christian McCaffrey added a strong ground game with 74 rushing yards, contributing to a balanced offensive attack that proved too much for Denver to handle. Defensively, the 49ers made crucial plays that swung the momentum in their favor, with Nick Bosa registering a sack and Ashtyn Davis snagging an interception. The turning point came late in the first half when Davis's interception halted a Broncos drive, setting up a quick scoring opportunity for San Francisco that extended their lead. With Alex Singleton leading the Broncos' defense with 12 tackles, it was clear that Denver struggled to contain the 49ers’ explosive offensive capabilities.