In a thrilling Week 4 matchup, the San Francisco 49ers narrowly defeated the Denver Broncos with a final score of 38-31. This victory solidifies the 49ers' position as a formidable contender in the league, while the Broncos will need to regroup after a hard-fought contest that slipped away in the final moments. Bo Nix had a standout performance for the Broncos, throwing for an impressive 338 yards and four touchdowns, showcasing his ability to connect with his targets downfield. Jaylen Waddle also made his mark, racking up 108 receiving yards and proving to be a reliable option. However, it was Christian McCaffrey's dominant rushing performance, totaling 287 yards, that kept the 49ers' offense humming and ultimately secured the win. Defensively, the 49ers made critical plays when it mattered most, led by Mykel Williams, who registered three sacks, putting pressure on Nix throughout the game. Nick Bosa added four tackles, contributing to a solid defensive effort that helped stifle the Broncos' comeback attempts. The turning point came late in the fourth quarter when a key sack by Williams halted a Denver drive and allowed San Francisco to maintain their lead and clinch the victory.