In a thrilling Week 4 matchup, the San Francisco 49ers narrowly defeated the Denver Broncos with a final score of 31-28. This victory keeps the 49ers competitive in their division as they continue to build momentum in the 2026 season. Brock Purdy led the charge for San Francisco, throwing for 255 yards and two touchdowns, showcasing his ability to command the offense effectively. Kaelon Black contributed significantly on the ground, rushing for 118 yards, while Deebo Samuel Sr. was a key target in the air, racking up 110 receiving yards. Together, they formed a potent offensive trio that kept the Broncos' defense on its heels. Defensively, the Broncos struggled to contain the 49ers' scoring, despite Ja'Quan McMillian's seven tackles and Nik Bonitto's 1.5 sacks offering some resistance. The turning point came late in the game when Purdy connected with Samuel for a pivotal touchdown, swinging the momentum firmly in favor of San Francisco. The Broncos had their chances, but ultimately, it was the 49ers’ offensive execution that sealed the win.