Transfer rumors are heating up in the football world! It's reported that Arsenal and Bayern Munich are ready to compete for Chelsea's Christopher Nkunku in the summer transfer window. Nkunku, 27, has faced challenges getting regular starts this season. Not only that, there are other transfer developments. Newcastle United is in the race for Borussia Dortmund goalkeeper Gregor Kobel. Chelsea is linked with Borussia Dortmund winger Jamie Gittens. Arsenal is eyeing Barcelona defender Jules Koundé. And Al Hilal has targeted Liverpool striker Darwin Núñez. The summer transfer window promises to be exciting!