In a tightly contested battle, the San Francisco 49ers topped the Kansas City Chiefs 29-23 in Week 16 of the 2026 season. With playoff implications on the line, both teams fought hard, but it was the 49ers who ultimately secured the victory, keeping their postseason hopes alive. Brock Purdy led the charge for San Francisco, throwing for 3 touchdowns and displaying remarkable composure in the pocket. Joe Mixon added a vital ground game, racking up 73 rushing yards, while the receiving corps was highlighted by crucial plays that kept the chains moving. Despite the offensive fireworks, Patrick Mahomes had a solid outing with 269 passing yards, but it wasn't enough to overcome the 49ers' efficient attack. Defensively, the game was punctuated by Fred Warner's interception, which proved to be a pivotal moment. The 49ers' defense applied consistent pressure, limiting Mahomes’ options and forcing critical mistakes. Kansas City's Nick Bolton shined with 2 sacks, but the 49ers' ability to capitalize on turnovers ultimately turned the tide in their favor, sealing the win in a nail-biter.