In a tightly contested Week 4 matchup of the 2026 season, the San Francisco 49ers narrowly defeated the Denver Broncos 20-14. The victory moves the 49ers forward in their campaign with a crucial win at home, as they look to establish themselves as contenders in the early season. The Broncos, meanwhile, leave the Bay Area with a tough loss, despite showing moments of brilliance. Offensively, the Broncos leaned heavily on quarterback Bo Nix, who threw for 248 yards and two touchdowns, keeping Denver competitive throughout the game. His favorite target was wide receiver Courtland Sutton, who hauled in 123 receiving yards, showcasing his ability to make big plays. On the ground, the 49ers relied on Christian McCaffrey, whose 75 rushing yards helped balance San Francisco’s offensive attack. Defensively, the 49ers' Fred Warner made a pivotal interception, which shifted momentum in favor of San Francisco. The Broncos' defense also had standout performances, with Alex Singleton leading with seven tackles and Zach Allen registering a sack. However, it was the 49ers' defensive unit that ultimately held firm in the game's crucial moments, securing the win for San Francisco.