For clarity, without the context of the post I was quoting:
"Leeds United have only ever played at Elland Road. I'm not sure of any other teams which have only ever played at a single ground"
http://www.football-stadiums.co.uk/articles/clubs-that-have-played-in-the-most-stadiums/
Leeds United have only ever played at Elland Road. I'm not sure of any others.