Manchester United's list of defensive options now includes Brentford center back Nathan Collins, while Bayern Munich are still in talks to sign Liverpool's teenage winger Rio Ngumoha. Join us for the latest transfer news and rumors from around the globe.

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Trending rumors

- Brentford center back Nathan Collins has been added to Manchester United's list of defensive options for the January transfer window, as reported by The Daily Mail. The Republic of Ireland captain has a contract until 2029, but 8th-placed Brentford would expect a hefty sum to let him go. Only Crystal Palace and Ipswich Town have conceded more Premier League goals this season than the 19 Man United have let in, and Fulham defender Calvin Bassey is also reported to be on the club's shortlist.

- Bayern Munich are still in talks to sign Liverpool's teenage winger Rio Ngumoha, as reported by Bild's Christian Falk. Bayern were willing to pay €70 million to land the 18-year-old during the summer as they looked for a left winger who could complement Luis Díaz, before they went on to sign Ismael Saibari. But Bayern still need a left winger and could still look to land the England international in either January or the summer transfer window.

- Arsenal are eyeing a January move for Real Madrid forward Endrick, according to TalkSPORT. The versatile 20-year-old has played just 114 minutes this season and the Gunners are looking for attacking reinforcements on the wing following Bukayo Saka's injury. The Brazil international is one of a number of options being offered to Premier League clubs, but Diario AS has suggested there will be competition from AS Roma and Sporting CP, who both want to take Endrick on loan.

- In addition to referencing Endrick, The Independent has suggested Arsenal are also looking at Atlético Madrid's Álex Baena, RB Leipzig's Antonio Nusa and AFC Bournemouth's Junior Kroupi as they aim to sign a winger. With Real Madrid, Atlético and Chelsea all interested in central midfielder Martín Zubimendi, the Gunners would use the funds from any departure to sign a wide man.

- AC Milan are already making a move for Club Brugge striker Nicolò Tresoldi in January and want to pair him with Gonçalo Ramos, as reported by Gazzetta dello Sport. The negotiations are likely to be costly, though, as Brugge rejected a €35 million bid from Roma in the summer and Tresoldi has since gone on to score 13 goals in 15 games across the Jupiler Pro League and Champions League. It is expected that a fee of €50 million would now be required to sign the 22-year-old.

Other rumors

- Liverpool could consider letting Jeremie Frimpong leave amid interest from Al Hilal. (Football Insider)

- Crystal Palace have no intention of letting USMNT defender Chris Richards leave, despite interest from Internazionale. (Football Insider)

- Bayer Leverkusen are showing an interest in 17-year-old Borussia Mönchengladbach attacking midfielder Wael Mohya. (Kicker)

- Newcastle United, Leeds United, Manchester United, Tottenham Hotspur, Everton, Brighton & Hove Albion and Brentford have all shown an interest in Dinamo Zagreb striker Dion Beljo. (TEAMtalk)

- Juventus have asked Atalanta for information about striker Gianluca Scamacca. (Nicolò Schira)

- Internazionale could sign a center back in January if John Stones' injury problems continue. (Gazzetta dello Sport)

- Stuttgart would be open to letting Bilal El Khannouss leave in January for €40 million including add-ons, with Galatasaray monitoring him. (Florian Plettenberg)

- Newcastle United would have to pay £30 million to sign in-form Middlesbrough striker Will Lankshear. (Football Insider)

- Aston Villa are interested in Galatasaray midfielder Gabriel Sara, but Newcastle United, Everton and Brighton & Hove Albion are also monitoring him. Villa are also watching River Plate goalkeeper Santiago Beltrán. (TEAMtalk)

- Napoli are monitoring Torino left-back Alessio Cacciamani, Paris FC midfielder Patrick Zabi and Nantes center back Tylel Tati. (Sky Sports Italia)

- Crystal Palace are the most active club in the race to sign FC Salzburg midfielder Bartosz Mazurek, although they could face competition from FC Porto, Brighton, Benfica and Borussia Dortmund. (TEAMtalk)

- Fiorentina are monitoring Cagliari goalkeeper Elia Caprile. (Nicolò Schira)

- Eintracht Frankfurt are interested in Nottingham Forest striker Arnaud Kalimuendo, but while the Premier League side won't stand in the 24-year-old's way if he wants to leave, they want a permanent departure and are demanding a fee of €30 million. (Florian Plettenberg)

- Edon Zhegrova could leave Juventus in January to get more game time. (Nicolò Schira)

- Nürnberg goalkeeper Jan Küchert is a candidate to replace Finn Dahmen if he leaves Augsburg. (Kicker)