He was named player of the year because expectations for him were so low, expectations for everyone else were far higher. Given that we've been relegated, it's not too surprising that a guy everyone thought would be utter shit but who actually, was at times, a career high 'competent' is our player of the season.
Compare his performances to Habib Beye in 2008-09. POTY in this team is the faintest of faint praise.