While Barca can lift the Copa del Rey this week if they beat Real Madrid in the final on Wednesday .
Barca remain in contention for La Liga , they have fallen four points behind leaders Atletico , who knocked them out of the Champions League .
While Barca can lift the Copa del Rey this week if they beat Real Madrid in the final on Wednesday and they remain in contention for La Liga , they have fallen four points behind leaders Atletico , who knocked them out of the Champions League .