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.

Saturday morning's headlines:

Chelsea 'enter race for Villarreal's Pau Torres'
Chelsea reportedly enter the race for Villarreal centre-back Pau Torres, who has a £45m release clause in his contract with the La Liga outfit. Read more.

Arsenal's Pierre-Emerick Aubameyang 'demanding three-year, £250k-a-week deal'
Arsenal captain Pierre-Emerick Aubameyang is reportedly demanding a three-year contract worth £250,000 a week to remain at the Emirates. Read more.

Zinedine Zidane responds to Lionel Messi exit rumours
Real Madrid boss Zinedine Zidane hopes that the allegedly unsettled Lionel Messi decides to remain at Barcelona. Read more.

Lionel Messi 'ready to leave Barcelona in 2021'
Lionel Messi could leave Barcelona when his existing deal expires at the end of next season, according to a report. Read more.