The Kansas City Chiefs have completed 49 seasons in professional American football, 39 with the National Football League (NFL). The list documents the season-by-season records of the Kansas City Chiefs franchise from 1960 to the conclusion of their most recent season in 2010, including postseason records, and league awards for individual players or head coaches. * Note: The Finish, Wins, Losses, and Ties columns list regular season results and exclude any postseason play. Regular and postseason records are combined only at the bottom of the list.