Cub Swanson knocks out Nate Landwehr in first round, retires from UFC

Cub Swanson delivered a first-round knockout victory over Nate Landwehr in what was announced as his final fight in the UFC octagon. The veteran finished his career with a memorable knockout performance at UFC 327. Swanson's retirement marks the end of a long and storied career in mixed martial arts. The finish was described as the best possible way to end a fighting career.