Manchester City fear midfielder Michael Johnson could miss the rest of the season after suffering a knee injury in training.
Johnson has endured a torrid time on the fitness front and only returned from a year out with an abdominal injury in September.
He has been restricted to just two substitute appearances for City this season and has not played since scoring in the Carling Cup win over Scunthorpe United at the end of October.
The 21-year-old has been on the bench in recent weeks, but may not play any further part in City's bid for honours this season.
City will learn the full extent of Johnson's injury in the coming days, but Hughes already fears the worst for the home-grown talent.
"We are all disappointed for Michael, who has worked so hard to get back into first-team contention and shown everyone what a good player he is," Hughes told the club's official website.
"Unfortunately he might be out for the season, but he will receive the best possible care and attention."
Johnson has made a total of 45 first-team appearances for City since making his debut against Wigan Athletic over three years ago.