Both.
Not necessarily too old and certainly a good experienced player who knows the Prem well but he has spent all his playing career running and chasing (not that quickly either). All that leg work will catch up with him sooner or later and we don't want someone who trys hard but looks like they are trying to escape from quicksand.
However, Malky likes to bring in old heads who he believes can do a job, such as Miller and Helguson, so you never know until it happens.