Sunday's Barcelona transfer talk: Martinez, Rafinha, Griezmann

The buildup to the summer transfer window has now begun, with rumours and speculation continuing to swirl as Barcelona eye possible reinforcements.

The Spanish champions spent big on Antoine Griezmann during the summer but missed out on a big-name striker in January, leading to speculation that they could splash the cash again when the window reopens.

Here, Sports Mole rounds up the latest transfer news from the Camp Nou.

Sunday morning's Barcelona transfer talk news roundup:

Barcelona 'will listen to Antoine Griezmann offers'

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Barcelona are reportedly prepared to listen to offers for Antoine Griezmann during this summer's transfer window.

Griezmann only joined Barca from Atletico Madrid last July, but the France international has struggled to show his best form for the club, managing just 15 goals and four assists in 46 appearances in all competitions.

The 29-year-old has a contract at Camp Nou until June 2024, but according to Mundo Deportivo, the Catalan giants are willing to listen to offers for the 2018 World Cup winner ahead of the 2020-21 campaign.

Manchester United and Arsenal have previously been credited with an interest in the attacker, who struck nine times in 35 La Liga appearances for Barca during the recent season.

Griezmann missed his side's last two league games of the 2019-20 campaign with a muscular problem and is battling to prove his fitness ahead of the Champions League clash with Napoli on August 8.

As well as the Frenchman, Barca have allegedly placed 12 players on the transfer list this summer as they look to raise the funds needed to sign Inter Milan striker Lautaro Martinez.

Inter Milan 'planning 2021 assault for Lionel Messi'

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Inter Milan are reportedly hopeful of luring Lionel Messi away from Barcelona in the summer of 2021.

The 33-year-old's existing deal at Camp Nou is due to expire next June, and there have been suggestions that the Argentina international could seek pastures new at the end of next season.

Messi was hugely critical of Barca in the aftermath of their 2-1 loss to Osasuna on July 16, with the Catalan giants conceding this season's La Liga title to Real Madrid.

The South American has enjoyed another excellent campaign at club level, scoring 30 times and contributing 26 assists in 42 appearances in all competitions.

Inter were recently credited with an interest in Messi, and according to Gazzetta dello Sport, the Italian giants will attempt to bring him to San Siro next summer.

The report claims that Inter are confident of turning the attacker's head with the offer of a big-money contract, while a fresh challenge in a new league could also appeal to the Argentine.

Messi has scored 633 goals in 729 appearances for Barca in all competitions.

More transfer news from Barcelona:

Arsenal 'battling Premier League rivals for Barcelona defender Samuel Umtiti'

Barcelona defender Samuel Umtiti is reportedly wanted by Arsenal and a couple of other Premier League sides. Read more.

Barcelona on brink of selling Rafinha to Inter Milan?

Barcelona are reportedly on the brink of allowing out-of-favour midfielder Rafinha sign for Serie A outfit Inter Milan. Read more.