2017–18 Segunda División

The 2017–18 Segunda División season, also known as LaLiga 1|2|3 for sponsorship reasons, will be the 87th season of the Spanish football second division since its establishment.

Name
Previously named Liga Adelante, the competition was renamed LaLiga 1|2|3 ahead of the 2016–17 season, as a result of a three-year sponsorship agreement between the Liga de Fútbol Profesional and the banking group Banco Santander.

Team changes
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To Segunda División

 * Promoted from Segunda División B
 * Cultural Leonesa
 * Lorca FC

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 * Relegated from LaLiga
 * Granada
 * Osasuna
 * Sporting Gijón
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From Segunda División

 * Relegated to 2017–18 Segunda División B
 * Mirandés


 * Promoted to 2017–18 La Liga
 * Levante
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