In a dominant performance, the Arizona Cardinals topped the San Francisco 49ers with a final score of 51-16 in Week 18 of the 2026 season. This decisive victory not only showcased Arizona's offensive firepower but also solidified their position heading into the playoffs, leaving the 49ers scrambling for answers. Quarterback Bryce Young was the standout performer for Arizona, throwing for an impressive 362 yards and four touchdowns, showcasing both precision and poise in the pocket. His favorite target, Jaylen Waddle, torched the 49ers' secondary for 177 receiving yards, making several explosive plays that kept the chains moving and the scoreboard ticking. On the ground, Travis Etienne Jr. led San Francisco with 85 rushing yards but struggled to find the end zone in the face of a relentless Cardinals defense. Defensively, the Cardinals made key plays that shifted the momentum of the game. Kelee Ringo's interception was a pivotal moment, halting a potential scoring drive from the 49ers and allowing Arizona to extend their lead. Marshon Lattimore of San Francisco racked up 11 total tackles, but the Cardinals' defense effectively contained the 49ers' offense throughout the game, ensuring that Arizona would finish the regular season on a high note.