The Tennessee Titans, previously known as the Houston Oilers, are a professional American football team based in Nashville, Tennessee. They are a member of the South division of the American Football Conference (AFC) in the National Football League (NFL). The Tennessee Titans have had 18 head coaches in its franchise history. As the Houston Oilers based in Houston, Texas, the team began playing in 1960 as a charter member of the American Football League (AFL). The Oilers won two AFL championships before joining the NFL as part of the AFL-NFL merger. The team relocated to Tennessee in 1997 and played in Memphis for one season before moving to Nashville. For two seasons, the team was known as the Tennessee Oilers before changing its name to the Titans in 1999.