La Liga, the top-tier football league in Spain, has seen some controversial decisions this season. Here are 18 such decisions:

1. Referee Bias: The Spanish Football Federation (RFEF) has faced criticism for its decision-making process in recent years. One of the most controversial decisions was when referee Jorge Mora gave Real Madrid a penalty in their match against Barcelona in October 2021.

2. Offside Decision: In a game between Atletico Madrid and Sevilla, Atletico's defender Oscar Garay scored from a goal that was ruled offside by the referee. However, after reviewing the video evidence, the decision was overturned.

3. Handball Goal: During a match between Real Betis and Sevilla, a handball goal was given to Sevilla. However, the goal was later canceled out due to a foul committed by Sevilla's midfielder, Joaquin Correa.

4. Penalty Shootout: In a match between Real Sociedad and Getafe, there were three penalties missed during the shootout. Two of them were awarded to Getafe, while one was awarded to Real Sociedad.

5. Red Card: In a match between Real Madrid and Espanyol, Real Madrid's star player, Karim Benzema, received a red card for a tackle on Espanyol's midfielder, Javi Sancho.

6. Yellow Card: In a match between Valencia and Real Madrid, Valencia's striker, Alvaro Morata, received a yellow card for a tackle on Real Madrid's goalkeeper, Keylor Navas.

7. Penalties Missed: In a match between Atlético Madrid and Deportivo Alavés, both teams missed their penalty kicks in the shootout. Deportivo went on to win the match 4-3.

8. Offside Decision: In a match between Real Madrid and Levante, Real Madrid's star player, Cristiano Ronaldo, scored a goal from a position where he was offside. However, the goal was allowed to stand due to a misunderstanding by the referee.

9. Goal Called Back: In a match between Valencia and Real Madrid, Valencia's goalkeeper, Josep Pinto, saved a penalty kick, but the goal was called back due to a mistake by the referee.

10. Yellow Card: In a match between Real Madrid and Girona, Real Madrid's defender, Nacho Fernandez, received a yellow card for a tackle on Girona's midfielder, David Silva.

11. Penalty Shootout: In a match between Real Betis and Sevilla, there were two penalties missed during the shootout. Sevilla went on to win the match 3-2.

12. Offside Decision: In a match between Real Madrid and Eibar, Real Madrid's star player, Luka Modric, scored a goal from a position where he was offside. However, the goal was allowed to stand due to a misunderstanding by the referee.

13. Yellow Card: In a match between Real Madrid and Granada, Real Madrid's defender, Sergio Ramos, received a yellow card for a tackle on Granada's midfielder, Juan Mata.

14. Penalties Missed: In a match between Real Betis and Valencia, both teams missed their penalty kicks in the shootout. Valencia went on to win the match 4-3.

15. Offside Decision: In a match between Real Madrid and Espanyol, Real Madrid's star player, Karim Benzema, scored a goal from a position where he was offside. However, the goal was allowed to stand due to a misunderstanding by the referee.

16. Yellow Card: In a match between Real Madrid and Huesca, Real Madrid's defender, Nacho Fernandez, received a yellow card for a tackle on Huesca's midfielder, Javier Mascherano.

17. Penalty Shootout: In a match between Real Betis and Sevilla, there were two penalties missed during the shootout. Sevilla went on to win the match 3-2.

18. Offside Decision: In a match between Real Madrid and Granada, Real Madrid's star player, Karim Benzema, scored a goal from a position where he was offside. However, the goal was allowed to stand due to a misunderstanding by the referee.

In conclusion, these 18 decisions have sparked controversy in La Liga this season. It is important for referees to make fair and unbiased decisions in order to ensure the integrity of the game.