Sports Mole rounds up all of the latest transfer news in La Liga on Sunday, June 28.

Sunday morning's headlines:

Mikel Arteta refuses to guarantee Matteo Guendouzi stay
Arsenal manager Mikel Arteta refuses to guarantee that Matteo Guendouzi will still be at the club beyond the end of this summer's transfer window. Read more.

Chelsea eye Andre Onana as Kepa Arrizabalaga replacement?
Chelsea reportedly identify Ajax goalkeeper Andre Onana as a possible replacement for Kepa Arrizabalaga, who is supposedly wanted by Valencia. Read more.

Maurizio Sarri refuses to confirm Miralem Pjanic stay amid Barcelona links?
Juventus manager Maurizio Sarri claims that he is unaware of any details surrounding a potential swap deal involving Miralem Pjanic and Barcelona's Arthur. Read more.

Chelsea 'suffer blow in David Alaba pursuit'
Bayern Munich will reportedly step up their attempts to tie Chelsea-linked David Alaba to a new contract at the Allianz Arena. Read more.

Barcelona still interested in Manchester United's Angel Gomes?
Barcelona could attempt to sign Manchester United attacker Angel Gomes, according to a report. Read more.

Barcelona 'considering move for Mattia de Sciglio'
Barcelona could attempt to sign Juventus defender Mattia De Sciglio this summer, according to a report. Read more.

Atletico Madrid looking to sign Mario Gotze?
Atletico Madrid are reportedly looking to secure a deal for Mario Gotze, who is leaving Borussia Dortmund on a free transfer. Read more.

Matteo Guendouzi 'ready to quit Arsenal'
Midfielder Matteo Guendouzi, an alleged target for a number of high-profile clubs, is reportedly happy to leave Arsenal during the next transfer window. Read more.