Derby boss Paul Jewell will recall defender Lewin Nyatanga and striker Jon Macken from Barnsley in January as he looks to assess his full squad.
Macken and Nyatanga will have a chance to impress at Derby (Getty)
"I want to give every player the opportunity to show me they are good enough to be here," Jewell told the Derby Telegraph.
"Things can change very quickly in football but I would Like them all back to have a good look at them."
Nyatanga signed for Barnsley in July and Macken joined in early November.