http://www.bbc.co.uk/sport/0/football/18069127
Maybe just and espression of interest just now but not sure how they think there wouldn't be enough stadia with capacity?
How many would be needed?
Hampden, Murrayfield, Ibrox, Celtic Park, Millenium Stadium, Cardiff, Swansea, and the Irish have about 6 stadia over 40,000.