Barcelona are chasing a ninth La Liga title in 12 years as Real Madrid look to make amends for last season.
Like Messi, Takefusa Kubo joined the Barcelona academy as a child -- when just 10 -- but left in 2015 after the Catalans were punished by FIFA for breaking rules on signing under-age players.
Real Madrid struggled without Cristiano Ronaldo last season and Eden Hazard will be tasked with helping to fill the void.
Eden Hazard is the gem Zinedine Zidane can build his new team around and brings the kind of stardust Madrid fans
Toni Kroos has won 12 titles in five seasons in Spain, lifting the Champions League trophy in 2016, 2017 and 2018.
Many European media outlets are claiming that Real Madrid have made contact with Liverpool superstar Mohamed Salah over a shock summer transfer.
Barcelona's victory means they stretch their lead at the top of the table to 11 points over Atletico Madrid, and 18 ahead of Real Madrid.
Twitter broke out in concern as news of Iker Casillas's heart attack spread.
Real Madrid's response to Barcelona winning the title on Saturday night was to slip to a 0-1 defeat at Vallecas and fall 18 points behind La Liga's newly-crowned champions.
Lionel Messi struck his league-leading 34th goal of the campaign after coming off the bench for the second half to help Barcelona wrap up La Liga title with three games remaining.
Real Madrid were mathematically ruled out of the title race after Barcelona beat Alaves on Tuesday while Atletico Madrid look likely to finish above them too for a second consecutive year.
Karim Benzema has been one of the few bright sparks in an otherwise dreary campaign for Real Madrid and his hat-trick at the Santiago Bernabeu took his tally to 30 goals for the season.
Barcelona are closing in on their eighth La Liga title in 11 years after Clement Lenglet and Jordi Alba both scored in a 2-1 win over Real Sociedad.
Real Madrid delivered another thoroughly underwhelming performance at Butarque to remain 13 points adrift of Barcelona.
Chelsea may be forced to cash in on Eden Hazard as their number 10 has just over one year left on his contract and has so far refused to extend his deal.
Gareth Bale departed again to whistles with 14 minutes left, a conciliatory hand slap from Zinedine Zidane offering little consolation as he trudged off.
Barcelona broke the resistance of 10-man Atletico Madrid on Saturday to go 11 points clear of their La Liga title rivals.
Paul Pogba last week described Real Madrid, managed by France great Zinedine Zidane, as a "dream club for every player".