The Kansas City Chiefs are back-to-back Super Bowl champions! In Super Bowl LVIII, the Kansas City Chiefs finished off their most improbable championship season yet by triumphing over the San Francisco 49ers and solidifying that their status as a modern NFL dynasty. Undeniable takes fans through the remarkable journey that was the 2023-2024 campaign, from the unwavering leadership of Patrick Mahomes, to the rise of a young yet formidable defense, to the statement-making playoff wins against the Dolphins, Bills and Ravens that cleared the way for a Super Bowl to remember. ​Featuring in-depth writing from The Athletic plus dozens of photos, this commemorative edition takes fans from the league's toughest training camp all the way through the final whistle in Las Vegas. This keepsake also features in-depth stories on Mahomes, Travis Kelce, Andy Reid, Steve Spagnuolo and more.