Lionel Messi became Barca's record appearance maker in the competition with 76 Copa matches.
The Portuguese star was linked with a move away during the summer transfer window, though Manchester United coach Erik ten Hag said he still featured in his plans for the season.
Atletico Madrid have recorded five COVID-19 positives, including manager Diego Simeone
Lionel Messi broke a Spanish hat-trick record and Luis Suarez struck twice as a rampant Barcelona took over top spot in La Liga with a 6-1 hammering of Rayo Vallecano on Sunday.
Real Sociedad will join Atletico Madrid, Real Madrid, and LaLiga champions Barcelona in Europe's elite club competition next season.
Spanish second division side Rayo Vallecano refused to turn up for the first day of group training due to a dispute with the club hierarchy over a pay cut for staff and players, a club source said on Monday.
Unconvincing Real Madrid survived a huge scare at rock bottom Rayo Vallecano when they conceded two quickfire second-half penalties but held on under severe pressure to secure a nervy 3-2 victory in La Liga on Saturday.
The Spanish soccer federation (RFEF) has rejected Barcelona's appeal against a four-match ban imposed on goalkeeper Victor Valdes for verbally abusing a referee after this month's 2-1 La Liga reverse at Real Madrid.
Free-scoring Manchester City will face the toughest test yet of their European credentials when they face European aristocrats Barcelona in the first leg of the standout tie of the Champions League round of 16 on Tuesday.
Real Madrid continued their march towards a 35th LaLiga title
Pique and Pedro put Barcelona on top of the La Liga on goal difference with a 3-0 win over Malaga and Atletico Madrid won 4-2 at Rayo Vallecano to stay hot on their heels. Check out the footballers who shone over the weekend.
Barcelona maintained their perfect start to La Liga with a 4-0 victory at Rayo Vallecano on Saturday, a Pedro hat-trick and a penalty save by Victor Valdes helping them to win a game that was not a simple as it looked.
Lionel Messi's knack for finding the net continued for an 18th consecutive league match as Barcelona restored their 13-point lead in La Liga.
Barcelona will appeal a four-match ban handed to goalkeeper Victor Valdes after he furiously berated the referee at the end of Saturday's 2-1 defeat at Real Madrid, the La Liga leaders said on Wednesday.
When Lionel Messi pulled on the captain's armband in the 63rd minute of Barcelona's 3-1 win over Rayo Vallecano in March, it was the first time since his 2004 debut he had led the Spanish champions in a La Liga game.
La Liga leaders Barcelona hit two goals in the final three minutes to earn a 3-2 win at Rayo Vallecano
Real Madrid survived an early red card for Sergio Ramos to see off city rivals Rayo Vallecano 2-0 at the Bernabeu on Sunday, matching the wins of La Liga leaders Barcelona and Atletico Madrid over the weekend.
Lionel Messi took his senior career goals tally to 301 as he scored twice in Barcelona's 5-0 victory at Rayo Vallecano which put them three points clear at the top of La Liga.
Stuttering Spanish champions Real Madrid returned to winning ways in La Liga but were well short of their scintillating best in a laboured 2-0 victory at lowly city rivals Rayo Vallecano on Monday.
Real Madrid have reluctantly agreed to play their La Liga match at Rayo Vallecano at 1745 GMT on Monday, a day after the game was abandoned because of alleged lighting sabotage at Rayo's Estadio de Vallecas stadium.
Cristiano Ronaldo faces a race against time to get fit for Real Madrid's UEFA Champions League semi-final first leg at Manchester City on Tuesday after he picked up a thigh muscle injury.
Real Madrid superstar Cristiano Ronaldo has played down an injury suffered during his side's 3-0 win over Villarreal in their La Liga match on Wednesday, saying that he is in a good condition.
Barcelona kept Real Madrid's La Liga title celebrations on hold for a few days at least with a crushing 7-0 victory at Rayo Vallecano on Sunday after Real had cruised to a 3-0 home win over Sevilla.
Cristiano Ronaldo struck his 43rd league goal of the campaign to set Real Madrid on their way to a 3-0 home win over Sevilla on Sunday that put them within a whisker of a first La Liga title in four years.
Barcelona playmaker Xavi will be out of action for around 15 days with a damaged left calf muscle, the Spanish champions said on Thursday.
Stuttering Villarreal closed to within a point of the Champions League qualification places when a second-half Cedric Bakambu double secured a 2-1 comeback win at home to Rayo Vallecano in La Liga on Sunday.
Salomon Rondon scored twice in Malaga's 4-2 win over Rayo Vallecano on Thursday to vault the home side into the hunt for the Champions League qualification places.
A new-look Atletico Madrid suffered a setback in their opening La Liga match of the season when they squandered several chances and twice struck the post in a 0-0 home draw with Osasuna on Sunday.
Spanish second division clubs Las Palmas and Rayo Vallecano, and seven professional players are to be investigated in a probe into betting on matches, Las Palmas said on their website.
Here are five talking points from the weekend's La Liga action:
Real Madrid star striker Cristiano Ronaldo will travel with the team for the first leg of the Champions League semi-final clash against Manchester City after recovering from a thigh injury.
La Liga has taken legal action against 10 people who allegedly threatened Ukraine international Roman Zozulya following his move to Rayo Vallecano last week, the Spanish league said in a statement on Thursday.
Hazard extra-time goal sends 10-man Real Madrid through to Copa del Rey final.
Barcelona, Atletico Madrid and Real Madrid resume a nail-biting La Liga title race on Saturday after all notched up victories on Wednesday. Leaders Barcelona, who ended a four-game winless streak by hammering Deportivo La Coruna 8-0 away from home, host struggling Sporting Gijon on Saturday. Atletico battled to a 1-0 win at Athletic Bilbao to stay level on 79 points with Barcelona, who top the table with a superior head-to-head record and host Malaga. Real stayed one point behind their title rivals after beating Villarreal 3-0 and are expected to be without top scorer Cristiano Ronaldo for their visit to struggling neighbours Rayo Vallecano. The Portuguese forward was unable to finish the game against Villarreal after suffering cramp in stoppage time but eased concerns he had suffered a serious injury.
Villarreal's struggles in the Spanish league continued with a 2-1 loss at Athletic Bilbao, with striker Gerard Moreno not finishing the game because of an injury.
Deportivo and Sociedad closed to within a point of first division leaders Real Madrid after securing comprehensive victories in the La Liga on Sunday.
Barcelona moved ever closer towards a successful defence of their La Liga title after nearest challengers Atletico Madrid suffered a shock late collapse at struggling Sporting Gijon to lose 2-1 on Saturday.
After setting a Spanish record 35 matches unbeaten in all competitions, Barcelona coach Luis Enrique is relishing the run-in to the end of the season with his side on course for a second successive La Liga, King's Cup and Champions League treble.
Spain coach Julen Lopetegui will take over as Real Madrid manager on a three-year contract after the World Cup, the European champions said on Tuesday.
Antoine Griezmann scored twice off the bench as Atletico Madrid sealed a place in the King's Cup quarter-finals with a 3-0 win at home to Rayo Vallecano on Thursday while Valencia also advanced with victory by the same scoreline at Granada.