In a commanding performance, the Denver Broncos defeated the San Francisco 49ers 27-13 in Week 4 of the 2026 season, solidifying their position early in the year. The Broncos showcased their offensive prowess, while the 49ers struggled to keep pace in a must-win game for their playoff aspirations. Bo Nix led the charge for Denver, throwing for an impressive 347 yards and connecting on crucial plays throughout the contest. Courtland Sutton was his top target, racking up 137 receiving yards, while J.K. Dobbins contributed on the ground with 69 rushing yards, helping the Broncos maintain control of the game and keep the chains moving. Defensively, the Broncos were relentless, with Jonathon Cooper leading the way with 10 total tackles and Zach Allen adding a sack to disrupt the 49ers' rhythm. The turning point came in the second quarter when a critical interception shifted momentum back to the Broncos, allowing them to pull ahead and ultimately secure the victory. The San Francisco offense struggled to recover from that setback, sealing their fate in a disappointing home loss.