Brian Steinberg Senior TV EditorThe United States Football League, that mid-1980s counterpart to NFL play, is returning.The league will relaunch in the spring of 2022, with Fox Sports signing on as a broadcast partner and minority stakeholder in the company that owns the new sports entity.Longtime sports fans may recall an era when the New York Generals, Memphis Showboats and Houston Gamblers took to the field for three seasons between 1983 and 1985.