The Segunda División is the second tier of professional football in Spain. It is officially known as LaLiga SmartBank due to sponsorship reasons. The league features 22 teams that compete annually, with each team playing 42 matches. The top teams at the end of the season earn promotion to LaLiga, the top division, while the bottom teams face relegation to the Primera Federación. Founded in 1929, the Segunda División has a rich history and has been a platform for many players and clubs to showcase their talent. The league operates on a promotion and relegation system, making it competitive and exciting for fans.