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.

Tuesday morning's headlines:

Bayern Munich 'allow David Alaba to make decision over Premier League move'
Bayern Munich are allegedly prepared to allow David Alaba to make the final decision on his future, amid speculation regarding a move to the Premier League. Read more.

Jose Enrique: 'Liverpool should re-sign Philippe Coutinho'
Former defender Jose Enrique says that Liverpool should attempt to re-sign Barcelona playmaker Philippe Coutinho during the next transfer window. Read more.

Pierre-Emerick Aubameyang drops hint over new Arsenal contract
Pierre-Emerick Aubameyang gets Arsenal fans excited by seemingly confirming on Instagram that he is going to extend his stay at the Emirates Stadium. Read more.

Josep Maria Bartomeu confident Lionel Messi will remain at Barcelona
Josep Maria Bartomeu says Lionel Messi "wants to continue at Barcelona", despite strong suggestions that the superstar forward is growing unhappy at Camp Nou. Read more.

Report: Tanguy Ndombele in regular talks with Barcelona
Barcelona reportedly remain keen on adding Tanguy Ndombele to their squad, despite his struggles at Tottenham Hotspur this season. Read more.

Lionel Messi 'still stalling over new Barcelona contract'
Lionel Messi still has no immediate intention of extending his contract with Barcelona after being irked by various off-field issues this year, according to a report. Read more.