"He has been exemplary in the training since (being transfer listed)," said Warnock.
"He is desperate to play and knows he is on the list.
"We've got to get some of the big wages off the books. When Shefki puts himself about he is a handful.
"His contract is up at the end of the season. We've not had any interest but hopefully with the work he is putting in, a few clubs will look at him in January."