Sports Mole rounds up all of the latest transfer news in La Liga on Monday, August 24.

Monday morning's La Liga transfer talk news roundup:

Manchester City offer Ilkay Gundogan in part-exchange for Saul Niguez?

Manchester City are allegedly prepared to lodge an approach for Atletico Madrid midfielder Saul Niguez.

Despite possessing a long-term contract and a £130m release clause, Saul is reportedly available for the right price during the summer transfer window.

However, while there has been previous interest from Manchester United, it appears that neighbours City are ready to make a bid for the versatile 25-year-old.

According to reports in Spain, City are willing to include Ilkay Gundogan in any proposal for the long-serving Atletico man.

Gundogan still holds a three-year deal at the Etihad Stadium, with the latest extension being penned just 12 months ago.

Nevertheless, it is claimed that Pep Guardiola is open to parting ways with a player who has contributed 22 goals from 164 appearances since his arrival from Borussia Dortmund in 2016.

Chelsea 'exploring possibility of signing Lionel Messi'

Chelsea are reportedly weighing up a potential move for Barcelona attacker Lionel Messi.

The Argentine is believed to be considering his future at Camp Nou, with various reports suggesting that the forward could seek pastures new during this summer's transfer window.

Manchester City and Inter Milan have both been strongly linked with the 33-year-old, who is said to have already informed new Barca boss Ronald Koeman that he could be on the move.

However, according to Sport, Chelsea are also exploring the possibility of signing the South American.

The report claims that the Blues have other areas that they want to address first, having already improved their attack by signing Hakim Ziyech and Timo Werner during this summer's transfer window.

Frank Lampard's side would allegedly be interested if Messi became available, though, and are keeping a close eye on developments as the speculation continues to gather pace.

Barca are said to be unprepared to sell their star player this summer for less than his £631m release clause.

More transfer news from La Liga:

Barcelona 'weighing up Jose Gaya approach'
Barcelona could move for Valencia defender Jose Gaya this summer, according to a report. Read more.

Ronald Koeman 'draws up three-man Barcelona wishlist'
New Barcelona manager Ronald Koeman reportedly earmarks Lautaro Martinez, Eric Garcia and Jose Gaya as three transfer priorities during the summer window. Read more.

Barcelona 'ready to demand £631m for Lionel Messi'
Barcelona are allegedly prepared to demand that Lionel Messi's £631m release clause is paid in full if they are to sell the forward this summer. Read more.

Ronald Koeman 'makes decision over Philippe Coutinho's Barcelona future'
Barcelona boss Ronald Koeman wants to keep Philippe Coutinho at the club this summer, according to a report. Read more.

Juventus 'eye Arturo Vidal return this summer'
Juventus want to re-sign Barcelona midfielder Arturo Vidal this summer, according to a report. Read more.

Ronald Koeman 'keen to bring Calvin Stengs to Barcelona'
AZ attacker Calvin Stengs is a summer transfer target for Barcelona boss Ronald Koeman, according to a report. Read more.

Barcelona 'told to pay £143m for Richarlison'
Barcelona will have to pay £143m if they wish to sign Everton forward Richarlison this summer, according to a report. Read more.

Barcelona 'eye Paulo Dybala as Lionel Messi replacement'
Barcelona identify Juventus attacker Paulo Dybala as a potential replacement for Lionel Messi, according to a report. Read more.

Aston Villa 'lining up move for Kieran Trippier'
Atletico Madrid defender Kieran Trippier emerges as a summer target for Aston Villa, according to a report. Read more.

Philippe Coutinho remains uncertain over Barcelona future
Arsenal target Philippe Coutinho reiterates that he remains unsure over whether he will remain at Barcelona next season. Read more.

Thomas Tuchel: 'Lionel Messi is very welcome at Paris Saint-Germain'
Paris Saint-Germain boss Thomas Tuchel says that Barcelona's Lionel Messi "is very welcome" at Paris Saint-Germain. Read more.

Barcelona 'prioritise sales of Ivan Rakitic, Luis Suarez'
Barcelona will prioritise the sales of Ivan Rakitic and Luis Suarez this summer, according to a report. Read more.

Barcelona considering pursuit of Ajax defender Nicolas Tagliafico?
Barcelona are allegedly prepared to up their interest in Ajax defender Nicolas Tagliafico, who is also a target for Leicester City. Read more.