In a thrilling Week 3 matchup of the 2026 season, the San Francisco 49ers narrowly defeated the Arizona Cardinals with a final score of 42-36. Both teams entered the game looking to establish dominance in the division, but it was the 49ers who emerged victorious in a high-scoring affair that showcased their offensive firepower. Brock Purdy led the charge for San Francisco, throwing for an impressive 416 yards while connecting on multiple big plays, including a standout performance from Mike Evans, who racked up 198 receiving yards. Meanwhile, Jacoby Brissett of the Cardinals put on a show of his own, tossing five touchdown passes, but it wasn’t enough to overcome the 49ers' offensive onslaught. Christian McCaffrey also contributed with 96 rushing yards, adding balance to the San Francisco attack. Defensively, the 49ers stepped up when it mattered most, with Demario Davis leading the team with eight total tackles, helping to contain the Cardinals' explosive offense. The game’s turning point came late in the fourth quarter when San Francisco forced a crucial turnover, allowing them to maintain their lead and secure the win. Despite a valiant effort from Arizona, the 49ers proved too tough to handle, solidifying their status as a contender in the league.