The league follows a double round-robin structure, allowing for a comprehensive and equitable Levels of competition among the 20 teams in the highest tier of Spanish soccer. The main and second division was Launched together in 1929. In 1977, Segunda División B was Started to switch Tercera División because the https://t-s-tr-c-tuy-n-7m77653.theideasblog.com/39818270/a-review-of-what-is-la-liga