When Portsmouth host Preston North End in the Championship on Saturday, the club will also celebrate the centenary of their double-decker South Stand, the oldest surviving example of stadium architect Archibald Leitch’s work that is still in use in England. Between 1899 and 1939, Leitch cornered the stadium market in the UK and Ireland, and he was commissioned to design all or parts of more than 40 grounds, with his signature touches being latticework steel supports on the upper tier’s frontage and distinctive pediments in the middle of the stand’s pitched roof. Sadly, nearly all of his work has been demolished or radically altered over the years, as clubs have moved to more modern facilities. Rangers, Leitch’s boyhood club, still have modified Leitch designs at their Ibrox home but the only other double-decker still standing in England is at Everton’s Goodison Park, which the Premier League side waved goodbye to last season. Portsmouth’s North Stand is also one of Leitch’...