Sunderland manager Chris Coleman has revealed that Lamine Kone and Didier Ndong have returned to training.
The former Wales boss has also said that Jonny Williams is making good progress after dislocating his shoulder in November against Millwall.
Ivorian defender Kone and Gabon midfielder Ndong are not expected to feature in Saturday's match at Cardiff City, but Coleman thinks their imminent return is a major boost for the relegation-threatened Black Cats.
He said: "We have had one or two back training - Lamine Kone was back training on Tuesday but he has been out for eight weeks and hasn't had any type of football so there is absolutely no chance of him being involved at the weekend.
"Didier Ndong trained but, again, he has had no football in the last couple of weeks.
"In the past, because needs must, players have been rushed back to come straight back to the first team and then the physical level is just too much for them.
"A lot of times they reinjure. Some good news is that Jonny Williams is probably another week or so away before he can start joining in."
Sunderland, 1/1000 to be relegated from the Championship this season, are 5/1 to beat Cardiff, who can be backed at 1/7 to clinch promotion to the Premier League this term.
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