The 11 biggest transfers that could happen this summer

There is going to be plenty of transfer activity this summer, with many ins and outs at all the big clubs around Europe.

Manchester City have already secured the services of Borussia Dortmund forward Erling Haaland, and Real Madrid will sign Antonio Rudiger from Chelsea - though they have now missed out on No 1 target Kylian Mbappe, who has chosen to stay at PSG.

But who else could be on the move? Here we look at the 13 biggest transfers that could happen:

Bayern's Robert Lewandowski celebrates on the balcony of the City Hall in Munich. EPA

Lewandowski's agent, Pini Zahavi, has reportedly bought shirts with his name printed on from a Barcelona club shop, sparking rumours the Poland international could be plying his trade in Catalonia next season.

After eight trophy-laden years at Bayern, Lewandowski is keen to seek pastures new and will consider his options ahead of the 2022/23 campaign.

The prolific Pole, 33, has scored 344 goals in 375 appearances for Bayern since joining from Borussia Dortmund in 2014.

He has also been linked with a move to Chelsea.

Paul Pogba's Manchester United contract expires this summer. Getty

Pogba could head back to Turin, a place he knows well, with reports claiming Juventus officials have already held talks with him and his agent that have "begun positively".

The 29-year-old Frenchman is out of contract and is currently recovering from a season-ending injury. He has failed to live up to the £90 million price tag since moving back to United in 2016.

During his six-years at Old Trafford, he has endured criticism from fans and pundits alike. The World Cup winner has made 216 appearance for the Red Devils in his second stint, and netted 39 times.

His only trophies were the League Cup in 2016/17