Gossip: Guardiola, Martial, Rooney, Bailey, M'Vila, Samba, Zarate

For the latest gossip and debate, check out our Sportsday rolling news service every weekday, and for a list of all the completed deals, see our transfers page or visit our Premier League tracker here.

Manchester City manager Pep Guardiola is keen to extend his contract and sign a new five-year deal. (Sun)

Manchester United are considering expanding the capacity of Old Trafford to 88,000. (Daily Mail)

United's France striker Anthony Martial, 21, will not be allowed to join another club on loan this transfer window. (Daily Express)

Liverpool are in negotiations with Sporting Lisbon over their 24-year-old defensive midfielder William Carvalho, who is valued at £26m. (A Bola - in Portuguese)

West Ham's plans for a February training camp in Dubai do not include taking 29-year-old attacking midfielder Dimitri Payet. (Daily Mail)

• Read: Coutinho signs five-year Liverpool deal

Crystal Palace boss Sam Allardyce is keen to sign Rubin Kazan's 26-year-old midfielder Yann M'Vila, whom he used to manage at Sunderland and who has an £11m release clause. (Daily Telegraph)

Palace are considering offering a trial to former Blackburn Rovers and QPR defender Christopher Samba. The 32-year-old is a free agent after leaving Greek club Panathinaikos. (Croydon Advertiser)

Hull are interested in signing Genk's 19-year-old Jamaican winger Leon Bailey, who is valued at £10m. (Daily Mail)

Hull, Swansea, West Ham and Zenit St Petersburg are among a host of clubs interested in signing Inter Milan's 28-year-old defender Andrea Ranocchia. (Gazzetta dello Sport - in Italian)

Fiorentina striker Mauro Zarate's move to Watford is being delayed so Wednesday's Coppa Italia game with Napoli counts towards the 29-year-old's suspension. (Hertfordshire Mercury)

Stoke's 31-year-old midfielder Charlie Adam is being targeted by Turkish club Fenerbahce. (ESPN)

West Brom have cooled their interest in 27-year-old Watford striker Odion Ighalo, but Baggies boss Tony Pulis is keen to make one more signing this month. (Express and Star)

Newcastle are leading Aston Villa in the race to sign Modou Barrow from Swansea. The 24-year-old winger does not feature in new Swans boss Paul Clement's plans. (Evening Chronicle)

Meanwhile, Newcastle are also trying to re-sign winger Andros Townsend, 25, who left the club last July for Crystal Palace for £13m. (Daily Star)

Fulham's players have told their manager Slavisa Jokanovic not to sign 30-year-old Aston Villa striker Ross McCormack, because he was a disruptive influence at the club last year. (Sun)

Fulham have agreed a deal to sign Werder Bremen's 25-year-old midfielder Athanasios Petsos on loan. (WestLondonSport)

Everton had an £8m offer for Werder Bremen's 25-year-old midfielder Thomas Delaney rejected before the weekend. (Liverpool Echo)

Manchester United captain Wayne Rooney, 31, says he wants to go into management after his playing career ends. (ESPN)

Chelsea boss Antonio Conte has identified Espanyol's 35-year-old keeper Diego Lopez, on loan from AC Milan, as a potential replacement for Thibaut Courtois, 24. (Sun)

Middlesbrough manager Aitor Karanka regrets criticising the club's fans after Saturday's 3-1 defeat at home to West Ham.(Daily Telegraph)

Italy coach Giampiero Ventura is open to former Liverpool and Manchester City striker Mario Balotelli, 26 and now at Nice, returning to the national team. (Italia Uno - via Independent)

Former Watford boss Aidy Boothroyd, 45, has moved a step closer to being appointed England Under-21 manager after being asked to represent the Football Association at Thursday's draw for the qualifying rounds of the 2019 European Under-21 Championship. (Times - subscription required)

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And finally

Assistant referee Darren Cann has been taken off Crystal Palace's FA Cup match with Manchester City because he used to play for the Eagles. (Daily Mail)

Premier League transfer tracker

Keep up to date with all the Premier League transfers in January as we track and profile all the players leaving or joining a club this month.