In a thrilling Week 3 matchup of the 2026 season, the San Francisco 49ers topped the Arizona Cardinals with a final score of 31-20, solidifying their position in the early playoff hunt. Both teams entered the game with high hopes, but it was the 49ers who ultimately came out on top, showcasing their offensive firepower and defensive prowess. Brock Purdy led the charge for San Francisco, throwing for 207 yards and two touchdown passes, effectively distributing the ball and keeping the Cardinals' defense on their heels. Christian McCaffrey added a solid ground game with 69 rushing yards, while Marvin Harrison Jr. stood out for Arizona with 97 receiving yards, but it wasn't enough to outpace the 49ers' offensive efforts. Defensively, San Francisco's Fred Warner made his presence felt with 1.5 sacks, disrupting Arizona's rhythm and forcing key errors. The turning point of the game came late in the third quarter when Warner's sack led to a turnover on downs, allowing the 49ers to capitalize and extend their lead. Ultimately, the combination of San Francisco's explosive offense and timely defensive plays secured their victory.