We take a look at how Ronald Koeman's predecessors fared in their first LaLiga Clasicos ahead of Barcelona's clash with Real Madrid.
Arsenal were majestic winners of the 2003-04 Premier League title, going through the campaign undefeated, but familiar foes lay in wait.
Manchester United manager Ole Gunnar Solskjaer wants to see his side's growth against Chelsea.
Under pressure as Paris Saint-Germain coach, Thomas Tuchel was unfazed.
There is "not a shadow of a doubt" Joe Gomez and Joel Matip can play together Jurgen Klopp says, despite not doing so until now.
Sergio Aguero drew criticism for putting an arm on Sian Massey-Ellis but Manchester City boss Pep Guardiola has defended his striker again.
A hat-trick against Aston Villa moved Patrick Bamford on to six Premier League goals in as many matches for Leeds United this season.
Pierre-Emerick Aubameyang has struggled in front of goal this season and Mikel Arteta does not think his position is the problem.
Wydad Casablanca were unable to return to the CAF Champions League final as Al Ahly comfortably triumphed in their final-four clash.
Following their heavy loss to Bayern Munich on Tuesday, Diego Simeone has called on his players to show what they are made of against Betis.
Manchester United's results for the 2019-20 financial year showed a £70million drop in revenue, while the club's net debt has risen.
Petr Cech retired in 2019, but he has been named as "emergency cover" for the goalkeeper position in Chelsea's 25-man Premier League squad.
Jordan Pickford could have seen red and made a dreadful error against Liverpool, yet made a string of fine saves in a frantic 2-2 draw.
Lautaro Martinez has enjoyed learning from compatriots Lionel Messi and Javier Zanetti for Argentina and Inter.
Manchester United once again had Marcus Rashford to thank for a Champions League win away to Paris Saint-Germain.
Zinedine Zidane could reportedly be axed if results do not improve at Real Madrid.
Pep Guardiola's Manchester City are reportedly plotting a move to bring Lionel Messi to the club when the transfer window reopens.
Milan are unbeaten in 20 matches across all competitions after the returning Zlatan Ibrahimovic put Inter to the sword in Serie A.
Milan have had some great teams in recent decades, but Stefano Pioli's side are the first to prove as consistently potent as the 1964 side.
Kingsley Coman scored twice and created another as Bayern Munich's Champions League defence began with a 4-0 win over Atletico Madrid.