The summer transfer window has now begun, with rumours and speculation continuing to swirl as Manchester United eye possible reinforcements.

The Red Devils brought in Bruno Fernandes and Odion Ighalo in the final days of the winter window but are still expected to be active in the summer as they aim to restore their former glories.

Here, Sports Mole rounds up the latest news on possible comings and goings from Old Trafford.

Wednesday morning's Manchester United transfer talk news roundup:

Manchester United 'line up Barcelona raid for four players'

Manchester United are reportedly hoping to take full advantage of Barcelona's expected summer overhaul and have identified four players they would be interested in signing from the Catalan giants.

Barcelona's 8-2 Champions League quarter-final defeat to Bayern Munich last week has sparked huge speculation regarding a number of roles at the club from president Josep Maria Bartomeu to captain and talisman Lionel Messi.

Manager Quique Setien has already been sacked after only 25 games in charge, and rumoured replacement Ronald Koeman is set to embark on a summer clearout with Barcelona also needing to trim their wage bill.

Spanish outlet Mundo Deportivo claims that United could be one of the main beneficiaries of the firesale and are interested in Ousmane Dembele, Arturo Vidal, Ivan Rakitic and Samuel Umtiti.

The report goes on to add that United have already enquired about Umtiti and Dembele, the latter of whom they are considering as a possible alternative to number one target Jadon Sancho.

The quartet are all thought to be available for transfer this summer and would fit Ole Gunnar Solskjaer's desire to bring in a new central defender, midfielder and winger.

Manchester United consider David Brooks as Jadon Sancho alternative?

Manchester United are reportedly contemplating an approach for Bournemouth winger David Brooks.

While United are interested in securing a deal for Borussia Dortmund's Jadon Sancho, the two clubs remain far apart during negotiations over a fee.

That has led to speculation regarding potential alternatives, with the Premier League giants being linked with Ousmane Dembele and Douglas Costa of Barcelona and Juventus respectively.

However, according to Manchester Evening News, United view Wales international Brooks as a more realistic addition.

While injury restricted the 23-year-old to nine appearances last season, the playmaker remains highly-regarded by a number of top-flight outfits.

After their relegation to the Championship, the Cherries will likely consider selling arguably their key man for the right price.

More transfer news from Manchester United:

Ronald Koeman 'wants Donny van de Beek as first Barcelona signing'
Prospective new Barcelona manager Ronald Koeman reportedly identifies Ajax midfielder Donny van de Beek as his preferred first signing if he takes over at the club. Read more.

Gonzalo Higuain warns Barcelona's Lionel Messi over Premier League move
Gonzalo Higuain warns Barcelona forward Lionel Messi about the physicality of the Premier League amid speculation regarding a potential switch to England. Read more.

Napoli offer Manchester City £60m Kalidou Koulibaly deal?
Napoli are willing to accept a fee of £60m for Kalidou Koulibaly from Manchester City in order to aid their pursuit of Lille's Gabriel Magalhaes. Read more.

Willian 'had no intention of leaving Chelsea'
Willian allegedly had no plans to leave Chelsea this summer until it became clear that club officials were happy to hand him a free transfer. Read more.

Chelsea, Manchester United, Manchester City 'battling for David Alaba'
Chelsea, Manchester United and Manchester City are all interested in signing Bayern Munich defender David Alaba this summer, according to a report. Read more.