The winger was pictured in training on Tuesday but Ralf Rangnick confirmed he has since suffered from tonsillitis.
The news brings United’s injury tally to six, with Edinson Cavani, Luke Shaw, Paul Pogba, Harry Maguire and Fred all missing the game at Old Trafford. Aaron Wan-Bissaka is also doubtful.
“Fred is unfortunately not available yet, he tried to train yesterday but after training I had a long chat with him and he just told me that he is still not fully fit. , he’s not 100%,” Rangnick revealed on Wednesday.
“With a player like Fred, who has always been committed to giving his best, it doesn’t make sense with a muscle injury to play him too soon because we would risk re-injuring ourselves. and that’s something I don’t do.” t want to do.
“Other than that, Harry Maguire is not available tomorrow, he has problems with his knee, not much, some knee issues. He didn’t train yesterday and today.
“Paul, of course, Fred, Edinson, Luke Shaw [are all out] and Jadon is sick – he has tonsillitis since yesterday. He couldn’t train today and won’t be available tomorrow.
Rangnick has admitted he may have to rely on academy players for visiting Chelsea, after giving Hannibal Mejbri a run-out against Liverpool last week.