The trio were all omitted from
QPR did attempt to offload both Campbell and Young permanently or on loan before the transfer window closed but was unable to do so.
Meanwhile, new signing Stephane Mbia has admitted he did not want to leave Olympique de Marseille.
The midfielder joined QPR on transfer deadline lane, with
Mbia told RMC: "I didn't want to go but the owner of the club made me understand I had to leave.
"The wage bill had to be reduced and certain players had to go."