Barca finished the season second in the standings on 82 points, four behind champions Real Madrid who visit Leganes later on Sunday. Alaves are 16th on 39.
Real Madrid clinched a record-extending 34th La Liga title with one game to spare by beating Villarreal 2-1 at home on Thursday thanks to two goals from their leading scorer Karim Benzema. Real have 86 points after 37 games, seven more than deposed champions Barcelona who were beaten 2-1 at home to Osasuna.
IMAGES from the football matches played across Europe on Sunday.
News of all that's transpired on and off the football field.
Real Madrid beat Leganes 4-2 on Wednesday despite resting key players including Cristiano Ronaldo and Gareth Bale as goals from Alvaro Morata and James Rodriguez helped them stay top of La Liga after Barcelona cruised to a 3-0 win over Sevilla.
Striker Mariano's header was glanced onto the crossbar by Sociedad's Andoni Gorosabel while the loose ball fell to Marco Asensio, whose shot was deflected wide for a corner from which Raphael Varane header hit the top of the bar.
A late goal by Toni Kroos sealed victory as Real Madrid defeated an impressive Celta Vigo side 2-1 to win their first home La Liga game of the campaign on Saturday.
A round-up of Wednesday's action in the UEFA Champions League.
A round-up of Wednesday's action in the UEFA Champions League.
Images from the UEFA Champions League matches played on Tuesday night.
Alaba strike on Clasico debut gives Real Madrid 2-1 win at Barcelona.
Here are five talking points from the weekend's action:
News of all that transpired on and off the football field
Cristiano Ronaldo scored his 400th goal for Real Madrid as Zinedine Zidane's side closed in on a first La Liga title since 2012, easing to a 4-1 win over Sevilla on Sunday while Neymar hit a hat-trick for Barcelona, who thrashed Las Palmas 4-1.
Zinedine Zidane has said his side are in a delicate situation as they prepare to host arch-rivals Barcelona in a La Liga title showdown on Sunday
Images from Saturday's action in La Liga.
News of all that's transpired on and off the football field
IMAGES from the La Liga matches played on Sunday
'Cristiano scored 50 goals and you can't find someone today who scores that many. Some of us have to take a step forward and, while not scoring 50, what we need is two or three players who score 15, 20, or 10 goals and we don't have that.'
Karim Benzema netted a second-half hat-trick as Real Madrid got back to winning ways with a 3-0 victory over Athletic Bilbao in La Liga on Sunday.
A summary of Saturday night's matches in the Euro 2020 qualifiers.
News of all that's transpired on and off the football field
An off-key Liverpool were frustrated for a second successive game by struggling opponents as they were held to a 0-0 Premier League draw at Newcastle United on Wednesday.
Real Madrid became La Liga champions for the first time since 2012 on Sunday with a 2-0 win at Malaga, denying arch-rivals Barcelona three consecutive league titles.
Real Madrid face Liverpool in the Champions League final in Kiev. Below are five key tactical factors that could affect the outcome of Saturday's match.
Included in Barcelona squad to face Dortmund
Images from Champions League matches played across Europe on Tuesday
Lionel Messi was in inspired form as champions Barcelona hammered Celta Vigo 5-0 on Saturday, recording a fourth straight league victory which keeps them top of La Liga after Real Madrid had put the pressure on the Catalans with a 4-1 win at Eibar.
Arsenal manager Unai Emery was pleased with his team's first away clean sheet of the season.
Real Madrid got their Champions League title defence off to a strong start on Wednesday by convincingly beating AS Roma 3-0 at home with goals from Isco, Gareth Bale and a stoppage-time strike from returning striker Mariano Diaz.
Real Madrid dropped points for the third time in seven games since Zinedine Zidane's return as they were held to a 0-0 draw away to Getafe in La Liga on Thursday, which harmed their neighbours' hopes of a top-four finish.
Teenager Curtis Jones grabbed a 58th-minute winner as an injury-hit Liverpool qualified for the knockout stage of the Champions League with a 1-0 win over Ajax Amsterdam at Anfield on Tuesday.
Meanwhile, Real Mallorca made a dream return to La Liga with a 2-1 victory over Eibar at the Estadi Son Moix on Saturday, less than two months after sealing back-to-back promotions to rejoin Spain's soccer elite.
Cristiano Ronaldo scored twice as Real Madrid came from behind to beat Paris St Germain 3-1, while Sadio Mane grabbed a hat-trick as Liverpool demolished Porto 5-0 away in the Champions League round-of-16 on Wednesday.
The FIFA 2022 World Cup will kick-off in Qatar on Sunday, November 20. Here is a list of the 26-man squads playing in the quadrennial global football extravaganza.
A summary of sports events and persons who made news on Saturday.
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.
A round-up of results from the Nations League matches played on Sunday
News of all that's transpired on and off the football field
Two brilliant strikes from Isco and a late goal from Alvaro Morata gave Spain a spectacular 3-0 win over Italy, their nearest challengers in Group G, to move into the driving seat for automatic qualification to the 2018 World Cup.