Latest transfer news and rumors: Man United interested in Son

The January window may be closed, but the rumors never stop swirling. Check in every day for all the latest transfer buzz from across the soccer world.

Top story: Son to Old Trafford?

Manchester United are considering a summer move for Tottenham Hotspur captain Son Heung-min.

The South Korean forward, 32, has a contract with Spurs until 2026, but Ruben Amorim's side wants to add an experienced, Premier League-proven star who can boost the club's floundering attack and also provide leadership. A "significant" offer is being mulled. (Fichajes)

Other rumors

Feb. 23

Plans for Rashford: If Marcus Rashford's loan move at Aston Villa isn't made permanent, Manchester United will use the forward as part of a swap deal to sign midfielder Aleksandar Pavlovic from Bayern Munich. (Caught Offside)

KDB to MLS: San Diego FC, in the midst of their inaugural MLS season, are close to striking a deal with Kevin De Bruyne. The Belgian's contract with Manchester City expires this summer. (TBR Football)

Griezmann, too: Antoine Griezmann remains a key player for Diego Simeone and title-chasing Atletico Madrid, but he's expected to move to MLS this summer. He has a "concrete" path to either LAFC or the LA Galaxy. (Relevo)

Discount for Leao: Chelsea and Barcelona think they can convince Milan to part with Rafael Leao for a cut-rate fee of €80 million this summer. The Portuguese winger has a €175 million release clause in his contract. (AS)

Maresca forced to act: Chelsea manager Enzo Maresca will look for a new goalkeeper this summer because of Robert Sanchez's continued struggles and Filip Jorgensen's costly error against Aston Villa. (Express)

Kerkez keen on Liverpool: Ascendant Bournemouth left-back Milos Kerkez is interested in joining Liverpool this summer. The Hungarian's agent has already held talks with the Reds over a potential move. (TEAMtalk)

TFC trying to offload Insigne: Leaving Lorenzo Insigne out of the squad for Toronto FC's season opener was a coaching decision. He's not part of the club's plans, with TFC still working to ship him elsewhere. (Tom Bogert)

Feb. 22

Queuing up for David: Jonathan David will be in high demand this summer. Multiple Premier League teams, PSG, Barcelona, Inter, and Juventus are all keen on signing the Canadian striker on a free transfer. (Tuttosport)

Arsenal rekindle interest in Vlahovic: Arsenal are once again considering making a move for Juventus' Dusan Vlahovic. The Italian club could accept as little as €40 million for the Serbian striker. (Caught Offside)

Diaz expected to depart: Liverpool will look to sell Colombian international Luis Diaz this summer to fund the signing of a striker. The 28-year-old forward has been linked with Barcelona. (Football Insider)

Money-saving moves: In addition to Jonathan David, Manchester United are looking at his Lille teammate Angel Gomes, who's also on an expiring contract and would offer a low-cost midfield upgrade. (Manchester Evening News)

Hernandez makes his choice: Left-back Theo Hernandez, under fire after his needless red card contributed to AC Milan's Champions League exit, wants to leave the club and join Real Madrid this summer. (Fichajes)

Look out for Lukeba: Manchester United, Liverpool, and Chelsea want to hijack Real Madrid's planned deal for Castello Lukeba. The center-back has a €90-million release clause in his RB Leipzig contract. (Christian Falk)

Juve try to boost coffers: Juventus want up to €25 million for winger Samuel Mbangula and nearly €30 million for center-back Federico Gatti. They'll also demand upwards of €55 million for Andrea Cambiaso. (Corriere dello Sport)

Feb. 21

Exodus at the Etihad: Manchester City could part with as many as eight senior players in the summer. Kevin De Bruyne, Jack Grealish, Bernardo Silva, and John Stones are among those who could leave. (Daily Mirror)

Nunez likely to leave: Darwin Nunez is expected to leave Liverpool this summer. The Uruguayan has regressed in his third season at Anfield, and his departure now looks increasingly likely. (The Athletic)

Onana on the outs?: Manchester United are worried about the inconsistent form of goalkeeper Andre Onana. They could make a move for Juan Musso, who's currently on loan at Atletico Madrid from Atalanta. (Fichajes)

Big summer for Wharton: Crystal Palace midfielder Adam Wharton, 21, is being tracked by some of Europe's top sides. Manchester United lead the race to sign him, but Juventus are also in the mix. (Caught Offside)

Sell-on clause comes into play: Barcelona, Bayern Munich, and PSG are all interested in signing Mason Greenwood from Marseille. Manchester United would receive 50% of any transfer fee for their former player. (GiveMeSport)

Newcastle not messing around: Newcastle are prepared to throw a sizeable £50-million offer at Brentford in order to sign Cameroonian international Bryan Mbeumo, who leads the Bees in scoring this season. (Football Insider)

Milan taking calls: AC Milan have long wanted to keep hold of Rafael Leao, but that stance is changing. The Italian club is ready to listen to offers, with both Barcelona and Chelsea interested in the winger. (Gazzetta dello Sport)

Feb. 20

Madrid turn to Branthwaite: Jarrad Branthwaite is near the top of Real Madrid's list ahead of a summer in which the Spanish side will strengthen its defense. Everton will likely demand around £75 million. (Daily Mail)

Lookman exit expected: Ademola Lookman is gearing up to leave Atalanta after being publicly criticized by coach Gian Piero Gasperini following the club's Champions League exit. (Fabrizio Romano)

Kelleher interest intensifies: Chelsea are prepared to meet Liverpool's demands and pay up to £40 million for goalkeeper Caoimhin Kelleher. The Blues recently dropped Robert Sanchez due to poor form. (Football Insider)

Determined Blues want Guehi: Chelsea won't let competition from rival clubs get in the way of their pursuit of Crystal Palace defender Marc Guehi. Tottenham and Newcastle have also been linked to Guehi. (The Mirror)

Zubimendi deal in the works: Arsenal agreed to a set of personal terms with Real Sociedad's Martin Zubimendi before they launch a formal pursuit this summer. He has a €60-million release clause in his contract. (TEAMTalk)

Frimpong sweepstakes heat up: Liverpool and Manchester City are interested in signing Bayer Leverkusen wing-back Jeremie Frimpong. He could leave this summer for a fee of around €40 million. (TEAMTalk)

Feb. 19

Palmer's escape clause: There are rumblings that Cole Palmer has a clause in his current deal that forces Chelsea to entertain offers from rival clubs if they don't secure a Champions League spot for next season. (TEAMtalk)

Delap in demand: Manchester United's long and winding search for a forward has taken them to Liam Delap. The Ipswich Town striker, 22, is also being monitored by Chelsea. (i Paper)

Liverpool-Newcastle striker swap: Premier League leaders Liverpool are prepared to offer Darwin Nunez plus cash to Newcastle in exchange for Alexander Isak, who's valued at over £100 million. (Football Insider)

Contingency plan: Arsenal and Chelsea are also keen on signing Isak, but should the prolific Swedish international end up elsewhere - or stay at Newcastle - they'll turn to Eintracht Frankfurt's Hugo Ekitike. (Caught Offside)

Brighton want to keep Mitoma: The Seagulls would like to keep Kaoru Mitoma but could be forced to part with the winger as he enters the final two years of his contract. Any deal could cost around £66 million. (Caught Offside)

Feb. 18

Wirtz keen on Madrid: Manchester City and Real Madrid are interested in signing Florian Wirtz this summer. The Bayer Leverkusen star, valued at over €100 million, prefers a move to the Spanish capital. (The Sun)

Familiar surroundings for Cancelo: Manchester United are interested in signing Joao Cancelo from Al-Hilal. The former Manchester City full-back, 30, would play opposite Patrick Dorgu for Ruben Amorim. (Football Transfers)

Casemiro wants to stay: Manchester United would like to sell Casemiro to raise funds, but the veteran Brazilian intends to see out the remaining 16 months of his contract, which pays him £300,000 per week. (Daily Mirror)

BVB set price for Gittens: Arsenal, Tottenham, and Chelsea are all chasing Jamie Gittens, but Borussia Dortmund want over €100 million for the 20-year-old English winger. (BILD)

Spurs' last-ditch attempt: Tottenham tried to sign Mexican international Santiago Gimenez from Feyenoord in the final days of the January transfer window, but the striker decided to join AC Milan instead. (Calciomercato)

Bayern bail on Tah: Bayern Munich are no longer in the race to sign Jonathan Tah. That's cleared the way for Barcelona to land the defender on a free transfer when his Bayer Leverkusen contract expires this summer. (Sport)