Welcome to ESPN's Insider Notebook, featuring contributions from our reporters across the top leagues around the world. In this edition, Manchester United are linked with a slippery customer in midfield.

The coronavirus pandemic has made the summer transfer window uncertain, but here are the rumours floating around Europe's big leagues and beyond.TOP STORY: Havertz open to Premier League switchBayer Leverkusen sensation Kai Havertz is open to the possibility of a move over to the English Premier League, reports the Manchester Evening News.

Odion Ighalo reacts to extending his loan from Shanghai Shenhua. Ian Darke feels the return of Marcus Rashford and Paul Pogba can boost Man United into the top four. Mark Ogden believes David de Gea needs to prove he's still one of the top keepers in the world next season.

Odion Ighalo reacts to extending his loan from Shanghai Shenhua.

The coronavirus pandemic has made the summer transfer window uncertain, but here are the rumours floating around Europe's big leagues and beyond.TOP STORY: Real keeping an eye on SanchoJadon Sancho has been linked with a move away from Borussia Dortmund for much of 2020, and now AS are reporting that Real Madrid are keen on landing the in-form winger, but not until next summer.

Ian Darke feels the return of Marcus Rashford and Paul Pogba can boost Man United into the top four.