Despite his persistent knee injury , Thelwell impressed during his loan spell .
Despite his persistent knee injury , Thelwell was rewarded with a permanent 18 - month contract when the transfer window reopened on 1 January 2007 .
Despite his persistent knee injury , Thelwell impressed during his loan spell and was rewarded with a permanent 18 - month contract when the transfer window reopened on 1 January 2007 .