The United midfielder is believed to be negotiating the release from his contract at Old Trafford.
“[Signing Fletcher] Still a possibility. It’s not dead yet, but not absolutely certain.
“It’s always frustrating in this window, but you have to be patient and what will be, will be.
“It’s not as if we’re desperate, but we’d like a quality player of Darren’s talent if that’s at all possible."
Last week it was reported by The Telegraph that Fletcher looked likely to leave Manchester United for West Ham. They reported the 30-year-old, who was named as vice-captain of United in pre-season, is expected to negotiate a release from the final six months of his United contract with West Ham reportedly his likely destination.
Yesterday the Daily Mail reported that Fletcher's release from United had hit a snag over a monetary dispute but they insisted he was still set to leave Old Trafford this month.
After nearly 20 years with the club, during which time he has won the Premier League five times, the FA Cup once, The League Cup twice and the Champions League in 2008.
However the midfielder, whose career has been blighted in recent years because of a battle with ulcerative colitis, has struggled for regular first team football this season, featuring just 12 times for the club in 2014-15.