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

Florentino Perez oversaw a significant overhaul of his squad during the summer before focusing more on youth in January. As is always the case with Madrid, though, some of the biggest names in football continue to be linked.

Here, Sports Mole rounds up the latest news of possible comings and goings at the Bernabeu.

Wednesday morning's headlines:

Chelsea, Manchester United target Kai Havertz 'prefers Real Madrid move'
Bayer Leverkusen playmaker Kai Havertz would reportedly prefer a transfer to Real Madrid over moving to the Premier League. Read more.

Gareth Bale, Zinedine Zidane relationship 'impossible to fix'
The relationship between Real Madrid forward Gareth Bale and head coach Zinedine Zidane is reportedly 'impossible to fix'. Read more.

Donny van de Beek 'prefers Real Madrid move to Manchester United'
Manchester United target Donny van de Beek prefers a move to Real Madrid this summer, according to former Ajax midfielder Ronald de Boer. Read more.

Manchester City keeping tabs on Achraf Hakimi?
Manchester City make contact with Real Madrid over a potential move for Achraf Hakimi, according to a report. Read more.

Real Madrid's Luka Modric insists Kylian Mbappe must leave PSG to fulfil potential
Real Madrid midfielder Luka Modric says that Kylian Mbappe must leave Paris Saint-Germain if he wants to fulfil his potential. Read more.

Mikel Arteta 'still hopeful of agreeing Pierre-Emerick Aubameyang deal'
Arsenal boss Mikel Arteta is hopeful that he can talk captain Pierre-Emerick Aubameyang into staying put at the Emirates Stadium, according to a report. Read more.

Paris Saint-Germain director Leonardo rules out Neymar, Kylian Mbappe exits
Neymar and Kylian Mbappe have been tipped to leave Paris Saint-Germain this summer, but the club's sporting director Leonardo is confident that both players will stay. Read more.