Manchester United is preparing to sell Harry Maguire in the January transfer window, with potential offers starting at £10 million, after activating a one-year extension in his contract to prevent him from leaving on a free transfer. Meanwhile, Manchester City is interested in signing Porto's Diogo Costa as a long-term replacement for Ederson. Arsenal is confident that William Saliba will remain with the club despite interest from Real Madrid, as they prepare a new contract for him. Barcelona and Real Madrid are reportedly interested in Benfica's Alvaro Fernandez, a former Manchester United player. Additionally, Liverpool is exploring potential replacements for Trent Alexander-Arnold amid ongoing contract negotiations, with Jeremie Frimpong from Bayer Leverkusen among the candidates.