The winter window has come and gone, but clubs are already planning for their summer activity. Here, Sports Mole recaps all of the latest transfer rumours and gossip doing the rounds.

Sunday morning's headlines:

Arsene Wenger eyes defensive additions at Arsenal
Arsenal manager Arsene Wenger admits that his side need to "toughen up" and improve at both ends of the field next season. Read more.

Tony Pulis: 'Saido Berahino will not leave West Bromwich Albion on cheap'
West Bromwich Albion boss Tony Pulis insists that Saido Berahino, whose contact expires next summer, will not leave The Hawthorns on the cheap this summer. Read more.

Virgil van Dijk signs new six-year Southampton deal
Netherlands centre-back Virgil van Dijk signs a new six-year contract at Southampton, committing himself to the club until 2022. Read more.

Report: Juventus preparing Miralem Pjanic move
A report claims that Juventus are considering a summer move for Roma's Bosnian midfielder Miralem Pjanic. Read more.

Liverpool's Daniel Sturridge plays down exit reports
Daniel Sturridge plays down suggestions that he could leave Liverpool at the end of the season, claiming that he is "happy" at Anfield. Read more.

Report: Real Madrid considering Chelsea's Thibaut Courtois
A report claims that Real Madrid could move for Chelsea's unsettled goalkeeper Thibaut Courtois in this summer's transfer window. Read more.

Wojciech Szczesny: 'Radja Nainggolan perfect for Premier League'
Polish goalkeeper Wojciech Szczesny claims that Roma teammate Radja Nainggolan is "a fantastic fit for English football" amid reported interest from Chelsea. Read more.

Report: Alexis Sanchez frustrated at Arsenal
A report claims that Arsenal attacker Alexis Sanchez is considering his future as he prepares to enter the final two years of his existing contract at the Emirates. Read more.