Cristiano Ronaldo will lead Portugal's World Cup campaign after being named in their provisional 30-man squad for the finals on Tuesday, despite currently being out with a hamstring injury.
Real play Athletic Bilbao while Barcelona visit Real Sociedad in fixtures that have often proved to be among their hardest away trips over the last decade.
Real Madrid ended their long wait for a La Liga victory by beating Real Valladolid 2-0 on Saturday with two late goals in interim coach Santiago Solari's first home game in charge of the struggling European champions.
Valencia trailed 2-1 from the away leg and despite a late midweek kick off time supporters still flocked to the Mestalla stadium hoping to see their embattled team turn the tie around.
Barcelona coach Gerardo Martino needs to find a quick fix for whatever is ailing his team or his first season in charge at the Nou Camp is likely to end without major silverware.
Barcelona players had their families and toddlers join in their La Liga title celebrations at the Camp Nou in Barcelona on Sunday.
Barcelona midfielder Cesc Fabregas will be out for three to four weeks after damaging a thigh muscle in the early stages of Sunday's 2-1 La Liga win at Real Betis.
Inter Milan went 10 points clear in Serie A, while French champions Olympique Lyon were knocked off the top of the Ligue 1 table by Olympique Marseille.
Real Madrid defender Nacho was the unlikely hero as they snatched a 1-0 win at Real Valladolid on Sunday to capitalise on Barcelona's defeat at Valencia this weekend and move three points clear of their rivals at the top of La Liga. Serie A leaders Juventus suffered a shock 2-1 defeat at Napoli on Sunday, with coach Maurizio Sarri returning to his former club for the first time, though Cristiano Ronaldo still managed to score for an eighth league game in a row for the visitors.
Barcelona moved to within a whisker of a second straight La Liga crown when Lionel Messi, Bojan Krkic and Pedro earned a nervy 3-2 win at 10-man Sevilla on Saturday.
Barcelona started strongly, with Gavi stinging the palms of Espanyol goalkeeper Alvaro Fernandez in the sixth minute, shortly before Alonso glanced a header into the net, following a corner.
The Catalans have kept five clean sheets in their last six games, which bodes well for their title run in.
David Villa struck twice and David Silva and Juan Mata also scored to give rampant Valencia a 4-2 win at Real Valladolid in La Liga on Sunday.
Celta Vigo were promoted back to Spain's top flight after five years in the second division after a 0-0 draw at home to Cordoba on Sunday secured them second place behind division winners and Galician neighbours Deportivo Coruna.
Images from Saturday's La Liga action.
Barcelona were hit with more bad news on Sunday when centre back Gerard Pique was ruled out for about two weeks with a calf problem.
Julen Lopetegui's side were awarded a penalty early in the game after a VAR review determined forward Nolito had been fouled by Valladolid's Javi Moyano as he shaped to shoot, even though his team mates had barely appealed for a foul.
La Liga champions Barcelona fell to their first defeat in three games under new coach Quique Setien as they were beaten 2-0 away at Valencia on Saturday. Barca are still top of the standings on 43 points after 21 games but second-placed Real Madrid, who are also on 43, can go three points clear at the summit if they beat Real Valladolid away from home on Sunday.
Here is a quick fact-box on new Real Madrid coach Rafael Benitez, who was appointed to replace Italian Carlo Ancelotti on Wednesday.
Barcelona captain Lionel Messi scored two goals and set up two more as the Catalans thrashed Real Valladolid 5-1 to move top of La Liga on Tuesday.
Real Madrid took full advantage of Barcelona's shock defeat at Real Valladolid with a 3-0 home win over 10-man Levante on Sunday that put Carlo Ancelotti's in-form side three points clear at the top of La Liga.
Images from football matches played in the Italian Serie A and the La Liga on Friday.
Real Madrid's stuttering season continued as they were reduced to 10 men and then slumped to an 11th La Liga defeat of the campaign by going down 3-1 at Real Sociedad.
Atletico Madrid won the La Liga title for the first time since 2014
News of all that's transpired on and off the football field
Barcelona have one hand firmly on the La Liga title after winning 2-0 at Alaves on Tuesday, leaving them 12 points clear at the top of the table with four games to play.
Cristiano Ronaldo has recovered from a muscle strain and is ready to return to action, the Real Madrid and Portugal forward said on Monday.
Lionel Messi notched a 20th assist of the season to help a lacklustre Barcelona secure a 1-0 win away to Real Valladolid on Saturday, maintaining the pressure on La Liga leaders Real Madrid. Cristiano Ronaldo converted two penalties, both awarded for handballs and the second in the last minute, as Serie A leader Juventus twice hit back to draw 2-2 with Atalanta to move closer to a ninth successive Serie A title on Saturday.
Real Madrid are also only two points behind Atletico while Sevilla are three back in a thrilling four-way tilt, making the Spanish title race the most compelling
Philippe Coutinho scored his first league goal since returning to Barcelona to help his side draw 1-1 at home to an excellent Sevilla side in La Liga on Sunday.
IMAGES from the soccer matches played in Spain and Italy on Saturday
Recent episodes of vomiting suffered by Barcelona forward Lionel Messi are 'not normal' but they do not affect his performance and there is no cause for alarm, coach Gerardo Martino said on Friday.
Real Madrid closed to within three points of La Liga leaders Barcelona and Atletico Madrid at the halfway stage of the season when a Pepe header secured a laboured 1-0 win at mid-table Espanyol on Sunday.
Barcelona forward Lionel Messi will be out of action for two to three weeks with a small hamstring problem in his right leg, the Spanish champions said in a statement on Sunday.
Real Madrid extended their unbeaten run to 25 matches and rejoined Barcelona and Atletico Madrid at the top of La Liga when Jese, Karim Benzema and Luka Modric scored in a 3-0 win at Getafe on Sunday.
A summary of Sunday's action in Serie A and La Liga.
Manchester City striker Sergio Aguero is close to agreeing a deal to join Barcelona after his contract expires at the English Premier League champions, manager Pep Guardiola said.
Messi scored twice and created goals for Arturo Vidal and Luis Suarez as champions Barca moved top of the table with 22 points from 10 matches.
Sky reported Manchester United, Manchester City and Chelsea have been in touch with Kane's representatives.