La Liga, also known as the Campeonato Nacional de Liga de Primera División, is the top professional football league in Spain. The matches of La Liga are played across various stadiums in Spain in home and away format. La Liga was founded in 1929 and has since become one of the most prestigious football leagues globally. It has witnessed intense rivalries between clubs like Real Madrid and Barcelona, making it a highly competitive tournament. Currently, La Liga consists of 20 teams competing for the title each season. The participating clubs include renowned Spanish sides such as Real Madrid, Barcelona, Atletico Madrid, Valencia CF, and Sevilla FC. In La Liga transfer system, clubs can buy or sell players during specific transfer windows. These windows usually open twice a year - during pre-season and mid-season. Clubs negotiate deals with other teams to acquire or release players based on their requirements and financial capabilities. The La Liga season typically runs from August to May. Each team plays 38 matches, facing every other team in the league twice - once at home and once away. The team with the highest number of points at the end of the season is crowned the champion.