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Alexander Isak is training alone at former club Real Sociedad amid continued uncertainty around his Newcastle United future.

The Sweden striker was left out of Newcastle's squad for their pre-season tour of Asia, with the club saying he had a "minor" thigh issue.

Isak wants to explore a move away from the Magpies, with Liverpool interested in signing the former Borussia Dortmund striker.

The 25-year-old joined Newcastle in a £60m move from La Liga club Real Sociedad in 2022.

Sources have told BBC Sport he is using the Spanish club's training ground facilities, but is not training with the team.

It is understood he asked to use the facilities and the club were happy to let him do so outside of first team training hours.

Newcastle have declined to comment.

A fully fit Fabio Aurelio (who also wore six for a time) may have something to say about that, James, but we don't have time to get into that.

We've waited long enough. It's time for the 'will he, won't he' saga of the summer. Let's talk about Alexander Isak...

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Huddersfield Town have signed Leo Castledine on a season-long loan from Chelsea.

The 19-year-old attacking midfielder spent last season on loan with Shrewsbury Town in League One, making 26 appearances and scoring twice.

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Brighton have completed the signing of 19-year-old defender Sean Keogh from Dundalk.

The Republic of Ireland youth international, who scored two goals in 38 appearances for Dundalk, will link up with the Premier League club's under-21 squad.

Seagulls under-21s boss Shannon Ruth said: "He's got a lot of the attributes and qualities we look for in our young players and we're looking forward to seeing how he develops in our setup this season."

Just joining us? Don't worry we've got you sorted.

Here's what we've covered so far today:

• Southampton reject Everton's £27m bid for Dibling
• Tottenham close to loan move for Bayern's Palhinha
• Spurs' Moore joins Rangers on loan
• Sunderland sign goalkeeper Roefs
• Chelsea's Sarr re-joins sister-club Strasbourg

We're also asking for the one transfer wish you have for your club before the window closes on 1 September.

Click 'Get Involved' at the top of this page to have your say.

Some pretty useful left-backs have worn six before, Nicky...

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In taking the number seven, £100m man Florian Wirtz joins an impressive list of Liverpool legends to have worn the shirt before him - most of them fitting the profile of creative, attacking players.

Perhaps most notable is Kenny Dalglish, arguably Liverpool's greatest ever player, who joined in 1977 and played in the number seven through his time at the club, scoring scoring 172 goals in 515 games as he won a whole host of trophies.

Dalglish inherited the shirt from Kevin Keegan, who had six trophy-laden years at the club before signing off by winning the 1977 European Cup.

Going even further back, the iconic Billy Liddell and club-record appearance maker Ian Callaghan had seven on their backs.

Peter Beardsley wore it with distinction in the late 80s, Steve McManaman had it for three years in the 90s before leaving for Real Madrid and Luis Suarez took it in 2011, going on to score 83 goals in 133 appearances for the Reds.

James Milner wore it as Liverpool won the Premier League and Champions League in his time at Anfield before Luis Diaz claimed it, adding his name to the club's title-winning number sevens - something Wirtz will no doubt hope to do in the coming years...

It's been a busy transfer window for Liverpool this summer - you may have heard - but they had not revealed the squad numbers of their new signings... until today.

Record £116m signing Florian Wirtz will wear the famous number seven shirt, previously worn by club legends Kevin Keegan, Kenny Dalglish and Luis Suarez - and recently vacated by Luis Diaz.

Meanwhile, left-back Milos Kerkez will wear six, it's 22 for £69m striker Hugo Ekitike, goalkeeper Giorgi Mamardashvili takes 25 and right-back Jeremie Frimpong sticks with 30, the number he had at former club Bayer Leverkusen.

Meanwhile, Northern Ireland international Conor Bradley has switched from number 84 to 12 and talented young midfielder Trey Nyoni has gone from 98 to 42.

Here are all the new squad numbers for the Premier League champions.

• 6 – Milos Kerkez
• 7 – Florian Wirtz
• 12 – Conor Bradley
• 22 – Hugo Ekitike
• 25 – Giorgi Mamardashvili
• 28 – Freddie Woodman
• 30 – Jeremie Frimpong
• 41 – Armin Pecsi
• 42 – Trey Nyoni

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Chelsea defender Mamadou Sarr has rejoined RC Strasbourg on a season-long loan.

This isn't the first deal to be completed between the two clubs this summer, who are both owned by BlueCo.

Chelsea's Kendry Paez and 'keeper Mike Penders also joined sister-club Strasbourg on season-long loan deals. Strasbourg have also signed Ishe Samuels-Smith and Mathis Amougou on permanent deals from Chelsea.

Sarr, 19, joined Chelsea from Strasbourg earlier this summer in a deal worth a reported £11.9m, which was agreed in January.

Having made his Chelsea debut at the Club World Cup, Sarr will now return to Strasbourg for the upcoming campaign.

Robin Roefs has become Sunderland's eighth summer signing. Here's a look at how the newly promoted side are shaping up.

Sunderland's summer signings:

• Enzo le Fee - from Roma - £19.3m
• Habib Diarra - from Strasbourg - £30m
• Noah Sadiki - from Royale Union Saint-Gilloise - £15m, (plus a £2.5m in add-ons)
• Reinildo Mandava - from Atletico Madrid - Free
• Chemsdine Talbi - from Club Brugge - £18m (plus a £2.5m in add-ons)
• Simon Adingra - from Brighton - £18 (plus £2.5m in add-ons)
• Granit Xhaka - from Bayer Leverkusen - £13m (plus £4m in add-ons)
• Robin Roefs - from NEC Nijmegen - reported £11.5m

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Sunderland have completed the signing of goalkeeper Robin Roefs from Dutch side NEC Nijmegen for an undisclosed fee.

The 22-year-old has signed a five-year contract with the Premier League newcomers.

He made 32 Eredivisie appearances for NEC Nijmegen last season and kept 10 clean sheets as they secured qualification to the Uefa Conference League.

“It feels really good to have signed for Sunderland," Roefs told the club's official website.

"Joining such a big club with a rich history is a proud moment for me, and I’m excited for the challenge ahead in the Premier League.

"Last season was my first real experience as a senior goalkeeper, and I was happy with how it went, especially with the stats at the end of the campaign."

Roefs is the Black Cats' eighth signing of the summer.

Matthew Hobbs
BBC Sport

Tottenham are reportedly closing in on the loan signing of Bayern Munich midfielder Joao Palhina. The destructive number six joined the German giants in a £42.3m deal last summer and called it “the happiest day of my life” – although the move has since soured due to injury and a lack of playing time.

Palhinha has started just 10 games in all competitions for Bayern in the last year, prompting a potential move back to the Premier League where he excelled as a destructive number six during two seasons with Fulham between 2022 and 2024.

The 34-cap Portugal international proved to be a real bargain after swapping Sporting Lisbon for Craven Cottage for around £17m, comfortably topping the Premier League rankings for tackles with a total of 300 during his initial two-season stint – 109 more than any other player. He also ranked sixth for interceptions (92).

His combative style of play, however, does carry risks. The 30-year-old received 27 yellow cards across 2022-23 and 2023-24 – at least five more than anyone else.

Image source, BBC Sport

While we're on Spurs...

In case you missed it yesterday, this goal from Pape Sarr is a must watch.

The Tottenham midfielder struck from near the halfway line, as Spurs claimed a 1-0 pre-season victory over Arsenal in the first north London derby outside of the United Kingdom.

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Joao Palhinha came through the academy of Sporting in Portugal, making his first senior appearance for their B team in 2014.

He enjoyed loans with Moreirense and Belenenses before returning to Sporting and making his debut for the first team in January 2017.

In 2018, he was once again loaned out, this time to Braga - where he spent two seasons and helped them win the 2019-20 Portuguese League Cup.

He really cemented himself as a regular with Sporting upon his return to the club in 2020 under then manager Ruben Amorim.

Palhinha was named in the Primeira Liga Team of the Year as Sporting won the title in 2020-21 and in that same season, he made his international debut with Portugal.

He earned a move to the Premier League with Fulham the following year and would go on to make 79 appearances, scoring eight times and providing one assist before making the move to Bayern Munich last summer.