Eliaquim Mangala will not be sold by Manchester City during the January transfer window but Pep Guardiola has offered no assurances over the defender's long-term future.
France international Mangala joined City from Porto in 2014 and has struggled to become a first-team regular at the Etihad Stadium.
Although the 26-year-old has made 51 Premier League appearances for City, he spent last season on loan at Valencia and is yet to start a match in 2017-18.
But Guardiola is happy with Mangala's attitude to training and intends to keep hold of the centre-back until the end of the season, at least.