In a decisive Week 4 matchup, the San Francisco 49ers topped the Denver Broncos with a final score of 38-20. The victory solidifies the 49ers’ position in the league as they continue to build momentum early in the 2026 season. Brock Purdy was sensational under center for San Francisco, throwing for an impressive 431 yards and five touchdowns. His ability to distribute the ball effectively kept the Denver defense on its heels, while Christian McCaffrey contributed with crucial plays despite limited rushing yards. Jaylen Waddle of the Broncos showcased his talent with a standout performance, racking up 188 receiving yards, but it wasn't enough to change the outcome. Defensively, Jailin Walker was a game-changer for the 49ers, leading the team with six tackles and four sacks, pressuring the Denver offense throughout the game. Fred Warner added to the defensive dominance with a key interception, helping to shift momentum at critical moments. The turning point came in the second quarter when Purdy connected for a touchdown after a key turnover, allowing San Francisco to pull away and maintain control for the remainder of the contest.