The Premier League transfer window is heating up with several high-profile moves and negotiations underway. Here's the latest buzz from the football world:

• Everton's Interest in Jack Grealish: Everton is keen on securing a loan deal for England midfielder Jack Grealish, 29. However, they face stiff competition from West Ham and Napoli. (ipaper - subscription required)

• Liverpool's Deal with Alexander Isak: Liverpool has agreed on personal terms with Newcastle and Sweden striker Alexander Isak, 25, for a five-year contract. The deal hinges on the clubs agreeing on a transfer fee. (Sky Sports Switzerland - in French)

• Newcastle's Pursuit of Yoane Wissa Hits a Snag: Brentford is unwilling to sell DR Congo forward Yoane Wissa, 28, to Newcastle unless they find a suitable replacement first. (ipaper - subscription required)

• Manchester United's Bid for Benjamin Sesko: Manchester United has entered the race to sign RB Leipzig and Slovenia forward Benjamin Sesko, 22, who is also in talks with Newcastle. (Sun)

• Chelsea's Move for Jorrel Hato: Chelsea is close to finalizing a deal worth over 40 million euros (£34.8m) to sign 19-year-old Netherlands defender Jorrel Hato from Ajax. (Athletic - subscription required)

• Manchester United's Offer for Morten Hjulmand: Manchester United has made a 40 million euros (£35m) bid for Sporting midfielder Morten Hjulmand, 26, but the Portuguese club is holding out for at least 50 million euros (£43.4m). Juventus is also interested in the Denmark international. (Calciomercato - in Italian)

• Nottingham Forest's Targets: Nottingham Forest is eyeing Fulham and Spain winger Adama Traore, 29, and is on the verge of signing Switzerland international Dan Ndoye, 24, for a club-record fee. (Telegraph - subscription required)

• Bayern Munich's Interest in Xavi Simons: Bayern Munich is the only club to express interest in RB Leipzig midfielder Xavi Simons, 22, but the Netherlands international prefers a move to the Premier League. (Bild - in German)

Stay tuned for more updates as the transfer window progresses and teams look to strengthen their squads for the upcoming season.