who has won the most spanish league titles
List of Spanish football champions Real Madrid is the most successful club with 33 titles. The most recent club other than Real Madrid and Barcelona to win the league is Atlético Madrid in the 2013–14 season. With their 30 May Copa del Rey defeat of Athletic Bilbao, Barcelona has won the Spanish version of The Double the most times, having won the league and cup in the same year six times in its history, breaking its tie with Athletic's five.[4] Barcelona is the only Spanish team that has won the Treble, which includes the UEFA Champions League along with the league and Copa del Rey, and the only UEFA club to have won the treble twice after accomplishing that feat in 2015.[5] The current champions are Barcelona, who won the 2017–18 competition.
El Clásico Real Madrid leads the head to head results in competitive matches with 95 wins to Barcelona's 92, while Barcelona leads in total matches with 112 wins to Real Madrid's 99. Along with Athletic Bilbao, they are the only clubs in La Liga to have never been relegated.