By the time night falls on Sunday and the Buffalo Bills’ home game against the New York Jets goes final, it will mark the end of an era. There will never be a regular-season game played at the old Highmark Stadium again, quite a sobering fact as the mammoth new Highmark Stadium towers across the street.

One of the most storied NFL stadiums ever is no more. RFK Stadium, the home of the Washington NFL franchise for more than three decades, has been demolished, paving the way for construction of the Commanders’ new stadium. In September, the Washington ...