LaLiga SmartBank is the second tier of professional football in Spain, just below LaLiga. It features 22 teams competing for promotion to the top division, with the top four teams earning a chance to move up. The league operates on a system of promotion and relegation, meaning that the lowest-performing teams can drop to the third tier, known as Primera Federación. Established in 1929, LaLiga SmartBank has a rich history and showcases emerging talent in Spanish football.