Where did this story originate in the office? They would find it hard to get planning permission for that site wouldn't they?
It does however fit in with the interview he gave the BBC where he said stadium relocation was a possibility. I think he is right, St Mary's long term isn't big enough or good enough and it also has traffic problems. It may be easier to start from scratch than to improve St Mary's to an equal level to a new stadium.
Listen from 36:40
http://news.bbc.co.uk/sport1/hi/football/teams/s/southampton/8565161.stm